WBCS Geography – Complete West Bengal
- Location and Boundaries
- Districts with Formation Year
- Physiography
- Rivers
- Climate
- Soil
- Agriculture
- Forests and Wildlife
- Minerals and Industries
- Power and Irrigation Projects
- Population and Census
- Transport and Communication
- GI Tags and Protected Areas (with Sundarbans Wildlife Projects)
Topic 1: Location and Boundaries of West Bengal
Basic Facts
| Topic | Information |
|---|---|
| Latitudinal Extent | 21°25′ N – 27°13′ N |
| Longitudinal Extent | 85°50′ E – 89°53′ E |
| Total Area | 88,752 sq km |
| Area Rank in India | 13th |
| Shape | North–South elongated |
| North–South Length | ≈ 700 km |
| East–West Width | ≈ 320 km |
| Coastline Length | ≈ 210 km |
| Tropic of Cancer Passes Through | Nadia District |
| Kolkata Latitude | ≈ 22.5° N |
Neighboring Countries
| Direction | Country |
|---|---|
| North | Bhutan |
| North-West | Nepal |
| East | Bangladesh |
Total Countries = 3
Neighboring Indian States
| Direction | State |
|---|---|
| North | Sikkim |
| East | Assam |
| West | Bihar |
| West | Jharkhand |
| South-West | Odisha |
Total States = 5
Direction-wise Boundaries
| Direction | Boundary |
|---|---|
| North | Sikkim, Bhutan |
| North-West | Nepal |
| East | Assam, Bangladesh |
| West | Bihar, Jharkhand |
| South-West | Odisha |
| South | Bay of Bengal |
Important Boundary Rivers
| River | Boundary |
|---|---|
| Ganga | WB–Jharkhand |
| Sankosh | WB–Assam |
| Ichamati | India–Bangladesh |
International Border Details
| Border With | Length (km) |
|---|---|
| Bangladesh | 2,272 km |
| Nepal | ≈ 100 km |
| Bhutan | ≈ 200 km |
| Total International Border | ≈ 2,572 km |
Important One-Liners
| Question | Answer |
|---|---|
| Area of West Bengal? | 88,752 sq km |
| Number of bordering states? | 5 |
| Number of bordering countries? | 3 |
| Coastline length? | 210 km |
| Tropic of Cancer passes through which district? | Nadia |
| Shape of West Bengal? | North–South elongated |
| Longest boundary with which Indian state? | Jharkhand |
| Length of India-Bangladesh border in WB? | 2,272 km |
| WB has international boundaries on which sides? | North, Northwest and East |
| Latitudinal extent of WB? | 21°25′ N – 27°13′ N |
| Longitudinal extent of WB? | 85°50′ E – 89°53′ E |
| North-South distance of WB? | ≈ 700 km |
| East-West width of WB? | ≈ 320 km |
| Which river forms Indo-Bangladesh border? | Ichamati |
| Which river divides WB and Assam? | Sankosh |
| Which river divides WB and Jharkhand? | Ganga |
Topic 2: Districts of West Bengal with Formation Year
Basic Facts
| Topic | Information |
|---|---|
| Total Districts | 23 |
| Newest District | Jhargram (2017) |
| Oldest District | Murshidabad (1704) |
| Largest District (Area) | South 24 Parganas |
| Smallest District (Area) | Kolkata |
| Most Populous District | North 24 Parganas |
| Least Populous District | Kalimpong |
| Highest Literacy District | Purba Medinipur |
| Lowest Literacy District | Purulia |
| Highest Sex Ratio District | Darjeeling |
| Lowest Sex Ratio District | South 24 Parganas |
Formation Year of Districts
| No | District | Formation Year |
|---|---|---|
| 1 | Alipurduar | 2014 |
| 2 | Bankura | 1881 |
| 3 | Birbhum | 1787 |
| 4 | Cooch Behar | 1950 (Merged with WB) |
| 5 | Dakshin Dinajpur | 1992 |
| 6 | Darjeeling | 1866 |
| 7 | Hooghly | 1795 |
| 8 | Howrah | 1843 |
| 9 | Jalpaiguri | 1869 |
| 10 | Jhargram | 2017 |
| 11 | Kalimpong | 2017 |
| 12 | Kolkata | 1772 |
| 13 | Malda | 1813 |
| 14 | Murshidabad | 1704 |
| 15 | Nadia | 1787 |
| 16 | North 24 Parganas | 1986 |
| 17 | Paschim Bardhaman | 2017 |
| 18 | Paschim Medinipur | 2002 |
| 19 | Purba Bardhaman | 2017 |
| 20 | Purba Medinipur | 2002 |
| 21 | Purulia | 1956 |
| 22 | South 24 Parganas | 1986 |
| 23 | Uttar Dinajpur | 1992 |
Important Division Years
| Old District | New Districts | Year |
|---|---|---|
| West Dinajpur | Uttar & Dakshin Dinajpur | 1992 |
| Medinipur | Purba & Paschim Medinipur | 2002 |
| Bardhaman | Purba & Paschim Bardhaman | 2017 |
| Darjeeling | Kalimpong | 2017 |
| Paschim Medinipur | Jhargram | 2017 |
| Jalpaiguri | Alipurduar | 2014 |
| 24 Parganas | North & South 24 Parganas | 1986 |
Administrative Divisions of West Bengal
| Division | Headquarters | Districts Included |
|---|---|---|
| Presidency | Kolkata | Kolkata, Howrah, Hooghly, North 24 Parganas, South 24 Parganas, Nadia |
| Burdwan | Bardhaman | Purba Bardhaman, Paschim Bardhaman, Birbhum, Bankura |
| Medinipur | Medinipur | Paschim Medinipur, Purba Medinipur, Jhargram, Purulia |
| Malda | Malda | Malda, Murshidabad, Uttar Dinajpur, Dakshin Dinajpur |
| Jalpaiguri | Jalpaiguri | Darjeeling, Kalimpong, Jalpaiguri, Alipurduar, Cooch Behar |
District Rankings (2011 Census)
Top 5 Largest Districts (Area)
| Rank | District | Area (sq km) |
|---|---|---|
| 1 | South 24 Parganas | 9,960 |
| 2 | Paschim Medinipur | 9,345 |
| 3 | Purba Medinipur | 4,736 |
| 4 | Bardhaman (combined) | 7,024 |
| 5 | Bankura | 6,882 |
Top 5 Most Populous Districts
| Rank | District | Population |
|---|---|---|
| 1 | North 24 Parganas | 1,00,09,781 |
| 2 | South 24 Parganas | 81,61,961 |
| 3 | Bardhaman (combined) | 77,23,663 |
| 4 | Paschim Medinipur | 59,13,457 |
| 5 | Howrah | 48,50,029 |
Top 5 Highest Literacy Districts
| Rank | District | Literacy Rate (%) |
|---|---|---|
| 1 | Purba Medinipur | 87.66 |
| 2 | Kolkata | 86.31 |
| 3 | Howrah | 83.85 |
| 4 | North 24 Parganas | 84.06 |
| 5 | Hooghly | 81.80 |
Top 5 Highest Sex Ratio Districts
| Rank | District | Sex Ratio (F/1000M) |
|---|---|---|
| 1 | Darjeeling | 971 |
| 2 | Purulia | 957 |
| 3 | Bankura | 954 |
| 4 | Birbhum | 956 |
| 5 | Paschim Medinipur | 960 |
Very Important One-Liners
| Question | Answer |
|---|---|
| Alipurduar district formed in? | 2014 |
| Kalimpong district formed in? | 2017 |
| Jhargram district formed in? | 2017 |
| Bardhaman divided in? | 2017 |
| Dinajpur divided in? | 1992 |
| Medinipur divided in? | 2002 |
| 24 Parganas divided in? | 1986 |
| Cooch Behar joined WB in? | 1950 |
| Purulia joined WB in? | 1956 |
| Oldest district of West Bengal? | Murshidabad (1704) |
| Newest district of West Bengal? | Jhargram (2017) |
| Largest district by area? | South 24 Parganas |
| Smallest district by area? | Kolkata |
| Most populous district? | North 24 Parganas |
| Least populous district? | Kalimpong |
| Highest literacy district? | Purba Medinipur |
| Highest sex ratio district? | Darjeeling |
| Number of administrative divisions? | 5 |
| Which district has highest child sex ratio? | Darjeeling |
| Which district has lowest female literacy? | Purulia |
Topic 3: Physiography of West Bengal
Physiographic Divisions of West Bengal
| Division | Sub-Region | Characteristics |
|---|---|---|
| Northern Mountains | Darjeeling Himalayas | Highest peaks, tea gardens, forests |
| Northern Plains | Terai Region | Foot hills, forests, tea gardens |
| Duars Region | Riverine plains, tea gardens | |
| North Bengal Plains | Alluvial plains, agriculture | |
| Western Plateau | Rarh Region | Undulating terrain, laterite soil |
| Western Plateau | Chhotanagpur extension, mineral rich | |
| Ganga Delta | Bhagirathi Plain | Active delta, dense population |
| Sundarbans Delta | Mangrove forest, tidal creeks |
1. Darjeeling Himalayas
| Feature | Details |
|---|---|
| Location | Northernmost part of West Bengal |
| District | Darjeeling, Kalimpong |
| Highest Peak | Sandakphu (3,636 m) |
| Other Peaks | Phalut (3,595 m), Sabargram |
| Mountain Range | Singalila Range |
| Passes | Tonglu, Phalut |
| Important Towns | Darjeeling, Kurseong, Kalimpong |
| Vegetation | Temperate forests, coniferous |
| Special Features | Tea gardens, Darjeeling Himalayan Railway |
2. Terai Region
| Feature | Details |
|---|---|
| Location | Foot of Darjeeling Himalayas |
| Width | 25-30 km |
| Districts | Darjeeling, Jalpaiguri, Alipurduar |
| Soil Type | Terai soil (porous, rich in humus) |
| Vegetation | Dense forests, tall grasses |
| Rivers | Tista, Jaldhaka, Torsa |
| Special Features | Tea gardens, wildlife |
3. Duars Region
| Feature | Details |
|---|---|
| Meaning | ‘Doors’ or passes to Bhutan |
| Location | Eastern part of North Bengal |
| Division | Western Duars & Eastern Duars |
| Districts | Jalpaiguri, Alipurduar, Cooch Behar |
| Soil Type | Alluvial soil |
| Rivers | Tista, Jaldhaka, Torsa, Sankosh, Raidak |
| Vegetation | Tropical forests, sal, teak |
| Special Features | Tea gardens, forests, wildlife sanctuaries |
4. North Bengal Plains
| Feature | Details |
|---|---|
| Location | South of Terai & Duars |
| Districts | Uttar Dinajpur, Dakshin Dinajpur, Malda |
| Soil Type | Alluvial soil |
| Rivers | Mahananda, Tangan, Punarbhava, Atrai |
| Agriculture | Rice, jute, mango |
| Special Features | Barind tract (elevated plains) |
5. Rarh Region
| Feature | Details |
|---|---|
| Meaning | ‘Red soil region’ |
| Location | Western part of South Bengal |
| Districts | Birbhum, Bankura, Paschim Medinipur, Purulia |
| Soil Type | Laterite soil (red color) |
| Rivers | Damodar, Ajoy, Mayurakshi, Kangsabati |
| Vegetation | Dry deciduous forests, sal |
| Special Features | Undulating terrain, laterite formation, Gangani (badland topography) |
6. Western Plateau
| Feature | Details |
|---|---|
| Location | Westernmost part of West Bengal |
| Districts | Purulia, Bankura, Paschim Medinipur |
| Extension of | Chhotanagpur Plateau |
| Highest Peak | Gorgaburu (677 m) – Purulia |
| Other Hills | Ajodhya Hills, Biharinath, Susunia |
| Soil Type | Laterite, red soil |
| Rivers | Subarnarekha, Kangsabati |
| Minerals | Coal, mica, limestone |
| Special Features | Dry climate, rocky terrain, waterfalls |
7. Bhagirathi Plain (Active Delta)
| Feature | Details |
|---|---|
| Location | Central part of South Bengal |
| Districts | Murshidabad, Nadia, Hooghly, Howrah, North 24 Parganas |
| Soil Type | Alluvial soil (new & old) |
| Rivers | Bhagirathi, Hooghly, Jalangi, Churni |
| Agriculture | Rice, jute, vegetables |
| Special Features | Densely populated, industrial belt |
8. Sundarbans Delta
| Feature | Details |
|---|---|
| Location | Southernmost part of West Bengal |
| Districts | South 24 Parganas, North 24 Parganas |
| Area | ≈ 4,200 sq km (Indian part) |
| Soil Type | Clayey saline soil |
| Rivers | Hooghly, Matla, Gosaba, Raimangal |
| Vegetation | Mangrove forest, Sundari trees |
| Wildlife | Royal Bengal Tiger, crocodile, deer |
| Special Features | UNESCO World Heritage Site, Ramsar site, tidal creeks, islands |
Important Hills & Peaks of West Bengal
| Hill/Peak | Location | Height (m) |
|---|---|---|
| Sandakphu | Darjeeling (Singalila Range) | 3,636 |
| Phalut | Darjeeling (Singalila Range) | 3,595 |
| Sabargram | Darjeeling | 3,543 |
| Gorgaburu | Purulia (Ajodhya Hills) | 677 |
| Biharinath | Bankura | 448 |
| Pareshnath | Purulia | 467 |
| Ajodhya | Purulia | 600+ |
Important One-Liners
| Question | Answer |
|---|---|
| Highest peak of West Bengal? | Sandakphu (3,636 m) |
| Highest peak of South Bengal? | Gorgaburu (677 m) |
| Sandakphu is in which mountain range? | Singalila Range |
| The Terai region is located where? | Foot of Darjeeling Himalayas |
| Duars region means? | ‘Doors’ to Bhutan |
| Rarh region is known for which soil? | Laterite soil |
| Gangani is famous for which topography? | Badland topography (laterite) |
| Sundarbans soil type? | Clayey saline soil |
| Ajodhya Hills is in which district? | Purulia |
| Biharinath Hill is in which district? | Bankura |
| Which region is an extension of Chhotanagpur Plateau? | Western Plateau (Purulia) |
| Barind tract is located in which region? | North Bengal Plains |
| Which delta is the largest in the world? | Sundarbans Delta |
| Number of physiographic divisions in WB? | 8 |
Physiographic Divisions at a Glance
| Region | Sub-Region | Districts | Soil Type |
|---|---|---|---|
| Northern Mountains | Darjeeling Himalayas | Darjeeling, Kalimpong | Mountain soil |
| Northern Plains | Terai | Darjeeling, Jalpaiguri, Alipurduar | Terai soil |
| Duars | Jalpaiguri, Alipurduar, Cooch Behar | Alluvial | |
| North Bengal Plains | Dinajpur, Malda | Alluvial | |
| Western Plateau | Rarh | Birbhum, Bankura, Medinipur | Laterite |
| Plateau | Purulia, Bankura | Laterite, Red | |
| Ganga Delta | Bhagirathi Plain | Murshidabad, Nadia, Hooghly, Howrah | Alluvial |
| Sundarbans Delta | South 24 Parganas, North 24 Parganas | Saline |
Topic 4: Rivers of West Bengal
Rivers of West Bengal – Overview
| Feature | Details |
|---|---|
| Total River Systems | 3 Major Systems |
| Major Systems | Ganga System, Brahmaputra System, Chhotanagpur Plateau Rivers |
| Total Number of Rivers | Over 30 |
| West Flowing Rivers | Subarnarekha, Kangsabati |
| East Flowing Rivers | Ganga, Tista, Jaldhaka, Torsa |
| North Flowing Rivers | Tista, Jaldhaka, Raidak |
| South Flowing Rivers | Damodar, Ajoy, Mayurakshi |
River Systems of West Bengal
| System | Origin | Direction | Rivers Included |
|---|---|---|---|
| Ganga System | Himalayas | East to South-East | Ganga, Bhagirathi, Hooghly, Jalangi, Churni |
| Brahmaputra System | Tibet | East to West | Tista, Jaldhaka, Torsa, Sankosh, Raidak |
| Chhotanagpur System | Chhotanagpur Plateau | West to East | Damodar, Ajoy, Mayurakshi, Kangsabati, Subarnarekha |
1. Ganga River System
Ganga Main Branch
| Feature | Details |
|---|---|
| Origin | Gangotri Glacier, Uttarakhand |
| Enters WB at | Rajmahal Hills, Jharkhand |
| First District in WB | Murshidabad |
| Division Point | Farakka (divides into Bhagirathi and Padma) |
| Length in WB | ~520 km |
Bhagirathi-Hooghly River
| Feature | Details |
|---|---|
| Origin | Farakka Barrage (distributary of Ganga) |
| Flows Through | Murshidabad, Nadia, Hooghly, Howrah, Kolkata |
| Merges Into | Bay of Bengal |
| Length | ~500 km |
| Important Towns | Berhampore, Kolkata, Howrah |
| Tributaries | Jalangi, Churni, Damodar, Rupnarayan |
Padma River
| Feature | Details |
|---|---|
| Origin | Farakka Barrage (distributary of Ganga) |
| Flows Into | Bangladesh |
| Status | Leaves India at Murshidabad |
2. Brahmaputra System Rivers (North Bengal Rivers)
Tista River
| Feature | Details |
|---|---|
| Origin | Sikkim Himalayas (Tista Glacier) |
| Enters WB at | Darjeeling district |
| Length | ~400 km (total) |
| Length in WB | ~150 km |
| Tributaries | Rangeet, Lish, Gish |
| Important Towns | Jalpaiguri |
| Confluence | Joins Brahmaputra in Bangladesh |
| Special Feature | Main river of North Bengal, forms Duars region |
Jaldhaka River
| Feature | Details |
|---|---|
| Origin | Sikkim Himalayas |
| Flows Through | Darjeeling, Jalpaiguri, Cooch Behar |
| Length | ~200 km |
| Enters Bangladesh | Cooch Behar district |
| Special Feature | North-flowing river |
Torsa River
| Feature | Details |
|---|---|
| Origin | Bhutan Himalayas |
| Enters WB at | Alipurduar district |
| Flows Through | Alipurduar, Cooch Behar |
| Length | ~350 km (total) |
| Enters Bangladesh | Cooch Behar district |
Sankosh River
| Feature | Details |
|---|---|
| Origin | Bhutan Himalayas |
| Flows Through | Alipurduar, Cooch Behar |
| Special Feature | Divides West Bengal and Assam |
| Enters Bangladesh | Cooch Behar district |
Raidak River
| Feature | Details |
|---|---|
| Origin | Bhutan Himalayas |
| Flows Through | Alipurduar, Cooch Behar |
| Tributaries | Raidak I, Raidak II |
Mechi River
| Feature | Details |
|---|---|
| Origin | Nepal Himalayas |
| Flows Through | Darjeeling district |
| Special Feature | Easternmost river of North Bengal Plains |
3. Chhotanagpur Plateau Rivers (Western Bengal Rivers)
Damodar River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau (Lohardaga, Jharkhand) |
| Enters WB at | Paschim Bardhaman district |
| Length | ~592 km (total) |
| Length in WB | ~300 km |
| Tributaries | Barakar, Konar, Bokaro |
| Important Towns | Durgapur, Asansol |
| Confluence | Joins Hooghly at Howrah |
| Nickname | “Sorrow of Bengal” (historically) |
| Special Feature | Longest river of Western Bengal |
Barakar River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau |
| Tributary of | Damodar River |
| Flows Through | Paschim Bardhaman |
| Important Dam | Maithon Dam |
Ajoy River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau (Jharkhand) |
| Enters WB at | Birbhum district |
| Length | ~288 km |
| Flows Through | Birbhum, Paschim Bardhaman, Murshidabad |
| Confluence | Joins Bhagirathi |
Mayurakshi River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau (Jharkhand) |
| Enters WB at | Birbhum district |
| Length | ~250 km |
| Tributaries | Brahmani, Dwarka |
| Important Dam | Tilpara Barrage, Massanjore Dam |
| Flows Through | Birbhum, Murshidabad |
| Confluence | Joins Bhagirathi |
Kangsabati River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau (Jharkhand) |
| Enters WB at | Purulia district |
| Length | ~450 km (total) |
| Length in WB | ~300 km |
| Tributaries | Kumari, Silabati |
| Important Dam | Mukutmanipur Dam, Kangsabati Dam |
| Flows Through | Purulia, Bankura, Paschim Medinipur |
| Confluence | Joins Hooghly |
Subarnarekha River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau (Jharkhand) |
| Enters WB at | Purulia district |
| Length | ~395 km (total) |
| Length in WB | ~80 km |
| Flows Through | Purulia, Paschim Medinipur |
| Enters Bay of Bengal | Odisha |
Rupnarayan River
| Feature | Details |
|---|---|
| Formed by | Confluence of Dwarkeswar and Silai rivers |
| Flows Through | Paschim Medinipur, Howrah, Purba Medinipur |
| Confluence | Joins Hooghly |
Haldi River
| Feature | Details |
|---|---|
| Formed by | Confluence of Kasai and Keleghai rivers |
| Flows Through | Purba Medinipur |
| Confluence | Joins Hooghly |
Dwarkeswar River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau |
| Flows Through | Purulia, Bankura, Paschim Medinipur |
Silai (Silabati) River
| Feature | Details |
|---|---|
| Origin | Chhotanagpur Plateau |
| Flows Through | Purulia, Bankura, Paschim Medinipur |
Kumari River
| Feature | Details |
|---|---|
| Status | Tributary of Kangsabati |
| Flows Through | Purulia, Bankura |
Kasai River
| Feature | Details |
|---|---|
| Other Name | Kangsabati (same river) |
| Flows Through | Paschim Medinipur |
Keleghai River
| Feature | Details |
|---|---|
| Flows Through | Paschim Medinipur, Purba Medinipur |
| Confluence | Joins Kasai to form Haldi |
Important River Confluences
| Confluence | Rivers | Location |
|---|---|---|
| Haldi | Kasai + Keleghai | Purba Medinipur |
| Rupnarayan | Dwarkeswar + Silai | Paschim Medinipur |
| Ganga-Padma | Ganga divides at Farakka | Murshidabad |
| Damodar-Hooghly | Damodar + Hooghly | Howrah |
Important River Origins
| River | Origin |
|---|---|
| Ganga | Gangotri Glacier, Uttarakhand |
| Tista | Tista Glacier, Sikkim |
| Jaldhaka | Sikkim Himalayas |
| Torsa | Bhutan Himalayas |
| Sankosh | Bhutan Himalayas |
| Damodar | Chhotanagpur Plateau (Lohardaga, Jharkhand) |
| Barakar | Chhotanagpur Plateau |
| Ajoy | Chhotanagpur Plateau (Jharkhand) |
| Mayurakshi | Chhotanagpur Plateau (Jharkhand) |
| Kangsabati | Chhotanagpur Plateau (Jharkhand) |
| Subarnarekha | Chhotanagpur Plateau (Jharkhand) |
Important Barrages and Dams
| Name | River | District | Purpose |
|---|---|---|---|
| Farakka Barrage | Ganga | Murshidabad | Water diversion, navigation |
| Tilpara Barrage | Mayurakshi | Birbhum | Irrigation |
| Massanjore Dam | Mayurakshi | Jharkhand (near Birbhum) | Irrigation, power |
| Mukutmanipur Dam | Kangsabati | Bankura | Irrigation |
| Kangsabati Dam | Kangsabati | Bankura | Irrigation |
| Maithon Dam | Barakar | Jharkhand (DVC) | Power, flood control |
| Panchet Dam | Damodar | Jharkhand (DVC) | Power, flood control |
| Durgapur Barrage | Damodar | Paschim Bardhaman | Irrigation |
Important One-Liners
| Question | Answer |
|---|---|
| Kasai and Keleghai join to form which river? | Haldi |
| Kumari river is a tributary of which river? | Kangsabati |
| Western part of Teesta river is called? | Duars |
| Punarbhava and Atrai are distributaries of which river? | Teesta |
| Which river divides WB and Assam? | Sankosh |
| Tilpara Barrage is across which river? | Mayurakshi |
| Jalpaiguri town is on which rivers? | Tista and Karala |
| Damodar river originates from which plateau? | Chhotanagpur plateau |
| Which are north-flowing rivers of WB? | Tista, Jaldhaka, Raidak |
| Barakar is a tributary of which river? | Damodar |
| Longest river of Western WB? | Damodar |
| Easternmost river of North Bengal Plains? | Mechi |
| Farakka Barrage is on which river? | Ganga |
| Mukutmanipur Dam is on which river? | Kangsabati |
| Durgapur Barrage is on which river? | Damodar |
| Which river is known as ‘Sorrow of Bengal’? | Damodar |
| How many river systems in WB? | 3 |
| Name the three river systems of WB? | Ganga, Brahmaputra, Chhotanagpur |
| Which river divides at Farakka? | Ganga |
| What are the two distributaries of Ganga at Farakka? | Bhagirathi and Padma |
River System Summary Table
| River | Origin | Length (km) | Tributaries | Important Feature |
|---|---|---|---|---|
| Ganga | Gangotri | 2,525 | Bhagirathi, Padma | Divides at Farakka |
| Bhagirathi | Farakka | 500 | Jalangi, Churni | Flows through Kolkata |
| Tista | Sikkim | 400 | Rangeet, Lish | Main river of North Bengal |
| Jaldhaka | Sikkim | 200 | – | North-flowing river |
| Torsa | Bhutan | 350 | – | Flows through Alipurduar |
| Sankosh | Bhutan | – | – | Divides WB-Assam |
| Damodar | Jharkhand | 592 | Barakar | Longest in Western WB |
| Ajoy | Jharkhand | 288 | – | Flows through Birbhum |
| Mayurakshi | Jharkhand | 250 | Brahmani | Tilpara Barrage |
| Kangsabati | Jharkhand | 450 | Kumari | Mukutmanipur Dam |
| Subarnarekha | Jharkhand | 395 | – | Flows into Odisha |
| Rupnarayan | – | – | – | Confluence of Dwarkeswar + Silai |
| Haldi | – | – | – | Confluence of Kasai + Keleghai |
Topic 5: Climate of West Bengal
Climate of West Bengal – Overview
| Feature | Details |
|---|---|
| Climate Type | Tropical Monsoon Climate (Köppen: Aw) |
| Major Influencing Factors | Bay of Bengal, Himalayas, Monsoon winds |
| Seasons | 5 Major Seasons |
| Average Annual Rainfall | 175 cm (approx) |
| Rainfall Variation | North Bengal: 200-400 cm, South Bengal: 100-150 cm |
| Highest Rainfall District | Darjeeling, Jalpaiguri |
| Lowest Rainfall District | Purulia, Bankura |
Five Seasons of West Bengal
| Season | Period | Characteristics |
|---|---|---|
| Spring | March-April | Transitional, warm, thunder squalls |
| Summer | April-May-June | Hot and humid, temperature up to 40°C |
| Monsoon | June-September | Heavy rainfall, south-west monsoon |
| Autumn | October-November | Pleasant weather, retreating monsoon |
| Winter | December-February | Cool and dry, temperature drops to 10°C |
Temperature Distribution
| Region | Summer Temperature | Winter Temperature |
|---|---|---|
| North Bengal | 25°C – 32°C | 5°C – 15°C |
| South Bengal | 30°C – 40°C | 10°C – 20°C |
| Darjeeling Hills | 15°C – 25°C | 0°C – 10°C |
| Western Plateau | 35°C – 45°C | 8°C – 18°C |
Rainfall Distribution
| Region | Average Rainfall (cm) | Districts |
|---|---|---|
| North Bengal | 200 – 400 cm | Darjeeling, Jalpaiguri, Alipurduar, Cooch Behar |
| South Bengal | 100 – 150 cm | Kolkata, Howrah, Hooghly, Nadia |
| Coastal Region | 150 – 200 cm | South 24 Parganas, Purba Medinipur |
| Western Plateau | 80 – 120 cm | Purulia, Bankura, Birbhum |
Monsoon in West Bengal
| Monsoon Type | Arrival Time | Withdrawal Time | Features |
|---|---|---|---|
| South-West Monsoon | 1st week of June | End of September | Main rainy season, 80% of annual rainfall |
| North-East Monsoon | October – November | – | Retreating monsoon, cyclonic storms |
Important Climatic Phenomena
1. Kal Baisakhi (Nor’westers)
| Feature | Details |
|---|---|
| Local Name | Kal Baisakhi |
| English Name | Nor’westers |
| Time | April – May (Summer) |
| Direction | North-West to South-East |
| Characteristics | Thunderstorms, squalls, lightning, hail |
| Affected Areas | South Bengal (Kolkata, Howrah, Hooghly, Medinipur) |
| Importance | Brings pre-monsoon rain, helps mango and litchi cultivation |
2. Cyclones
| Feature | Details |
|---|---|
| Origin | Bay of Bengal |
| Time | October – November (Post-monsoon) |
| Affected Areas | Coastal districts (South 24 Parganas, North 24 Parganas, Purba Medinipur) |
| Examples | Aila (2009), Amphan (2020), Yaas (2021) |
| Effects | Storm surge, flooding, damage to crops |
3. Western Disturbances
| Feature | Details |
|---|---|
| Origin | Mediterranean Sea |
| Time | December – February |
| Effect on WB | Light winter rainfall in North Bengal |
4. Heat Wave
| Feature | Details |
|---|---|
| Time | April – June |
| Affected Areas | Western plateau (Purulia, Bankura, Birbhum) |
| Temperature | Can exceed 45°C |
5. Cold Wave
| Feature | Details |
|---|---|
| Time | December – January |
| Affected Areas | North Bengal (Darjeeling, Jalpaiguri) |
| Temperature | Can drop to 0°C in hills |
Regional Climate Variation
| Region | Climate Type | Characteristics |
|---|---|---|
| Darjeeling Himalayas | Highland Climate | Cool summers, cold winters, heavy rainfall |
| North Bengal Plains | Humid Sub-tropical | Hot summers, cool winters, heavy rainfall |
| South Bengal Plains | Tropical Monsoon | Hot and humid, moderate rainfall |
| Western Plateau | Tropical Dry | Hot summers, mild winters, low rainfall |
| Coastal Region | Coastal Tropical | High humidity, cyclonic storms |
Important One-Liners
| Question | Answer |
|---|---|
| Climate type of West Bengal? | Tropical Monsoon |
| How many seasons in West Bengal? | 5 |
| Main rainy season in West Bengal? | South-West Monsoon (June-September) |
| Local name of thunder squalls in April? | Kal Baisakhi |
| English name of Kal Baisakhi? | Nor’westers |
| When do Kal Baisakhi occur? | April-May (Summer) |
| Which direction do Kal Baisakhi come from? | North-West |
| Which regions are affected by Kal Baisakhi? | South Bengal |
| Which months have highest rainfall in WB? | July-August |
| Average annual rainfall in WB? | 175 cm |
| Highest rainfall district in WB? | Darjeeling / Jalpaiguri |
| Lowest rainfall district in WB? | Purulia |
| Which region receives highest rainfall? | North Bengal |
| Which region receives lowest rainfall? | Western Plateau |
| Which ocean influences WB climate? | Bay of Bengal |
| Which mountains block cold winds? | Himalayas |
| Which plateau creates rain shadow? | Chhotanagpur Plateau |
| When do cyclones occur in WB? | October-November |
| Name a major cyclone that hit WB? | Aila (2009), Amphan (2020) |
| What causes winter rainfall in North Bengal? | Western Disturbances |
| Which district has highest summer temperature? | Purulia |
| Which district has lowest winter temperature? | Darjeeling |
Topic 6: Soil of West Bengal
Soil of West Bengal – Overview
| Feature | Details |
|---|---|
| Total Soil Types | 6 Major Types |
| Most Extensive Soil | Alluvial Soil (covers ~75% of state) |
| Oldest Soil | Laterite Soil |
| Most Fertile Soil | New Alluvial Soil (Khadar) |
| Least Fertile Soil | Laterite Soil |
| Soil Formation Factors | Parent rock, climate, topography, vegetation |
Major Soil Types of West Bengal
| Soil Type | Area Coverage | Districts Found | Characteristics |
|---|---|---|---|
| Alluvial Soil | ~75% | Gangetic plains, North Bengal | Fertile, rich in potash and lime |
| Laterite Soil | ~15% | Bankura, Birbhum, Purulia, West Medinipur | Red color, rich in iron and aluminum |
| Saline Soil | ~5% | Sundarbans, Coastal areas | High salt content, alkaline |
| Terai Soil | ~3% | Darjeeling foothills, Jalpaiguri | Porous, rich in humus |
| Red Soil | ~1.5% | Purulia, Bankura | Red due to iron oxide |
| Peaty Soil | ~0.5% | North Bengal wetlands | High organic matter, acidic |
1. Alluvial Soil
| Feature | Details |
|---|---|
| Formation | Deposited by rivers (Ganga, Tista, Damodar) |
| Color | Light grey to dark grey |
| Texture | Sandy loam to clay loam |
| Chemical Properties | Rich in potash, lime; poor in nitrogen, phosphorous |
| Sub-types | New Alluvial (Khadar), Old Alluvial (Bhangar) |
New Alluvial Soil (Khadar)
| Feature | Details |
|---|---|
| Location | Flood plains of Ganga, Hooghly, Tista |
| Age | Recently deposited |
| Texture | Fine sandy loam |
| Fertility | Highly fertile |
| Districts | Murshidabad, Nadia, North 24 Parganas, Hooghly |
Old Alluvial Soil (Bhangar)
| Feature | Details |
|---|---|
| Location | Higher terraces away from rivers |
| Age | Older deposits |
| Texture | Clayey with calcareous nodules (kankar) |
| Fertility | Less fertile than Khadar |
| Districts | Birbhum, Bankura, parts of Medinipur |
2. Laterite Soil
| Feature | Details |
|---|---|
| Formation | Intense leaching in high temperature and rainfall |
| Color | Red to yellow (due to iron oxide) |
| Texture | Coarse, porous, gravelly |
| Chemical Properties | Rich in iron and aluminum; poor in nitrogen, potash, lime |
| Fertility | Low fertility |
| Districts | Purulia, Bankura, Birbhum, Paschim Medinipur |
| Special Feature | Gangani region (badland topography) |
3. Saline Soil (Coastal Saline Soil)
| Feature | Details |
|---|---|
| Formation | Sea water intrusion, tidal action |
| Color | Dark grey to black |
| Texture | Clayey |
| Chemical Properties | High salt content (sodium chloride), alkaline |
| Fertility | Low fertility, requires reclamation |
| Districts | South 24 Parganas, North 24 Parganas, Purba Medinipur |
| Special Feature | Sundarbans soil type |
4. Terai Soil
| Feature | Details |
|---|---|
| Formation | Deposited by Himalayan rivers at foothills |
| Color | Dark brown |
| Texture | Porous, sandy loam |
| Chemical Properties | Rich in organic matter (humus) |
| Fertility | Moderately fertile |
| Districts | Darjeeling foothills, Jalpaiguri, Alipurduar |
| Special Feature | Ideal for tea cultivation |
5. Red Soil
| Feature | Details |
|---|---|
| Formation | Weathering of ancient crystalline rocks |
| Color | Red (due to iron oxide) |
| Texture | Sandy to loamy |
| Chemical Properties | Poor in nitrogen, phosphorous; rich in potash |
| Fertility | Low to moderate fertility |
| Districts | Purulia, Bankura, parts of Birbhum |
6. Peaty Soil (Organic Soil)
| Feature | Details |
|---|---|
| Formation | Accumulation of organic matter in waterlogged areas |
| Color | Black |
| Texture | Heavy, clayey |
| Chemical Properties | High organic carbon, acidic |
| Fertility | High fertility after drainage |
| Districts | North Bengal wetlands, Cooch Behar, Jalpaiguri |
Important One-Liners
| Question | Answer |
|---|---|
| Most extensive soil in West Bengal? | Alluvial soil |
| Soil found in Sundarbans? | Clayey Saline soil |
| Soil found in Gangani region? | Laterite soil |
| Laterite soil is found in which part of WB? | Western plateau (Purulia, Bankura) |
| Which soil is best for tea cultivation? | Terai soil |
| Which soil is rich in iron and aluminum? | Laterite soil |
| Which soil is deposited by rivers? | Alluvial soil |
| New alluvial soil is called? | Khadar |
| Old alluvial soil is called? | Bhangar |
| Which soil has high salt content? | Saline soil |
| Which soil is found in Darjeeling foothills? | Terai soil |
| Which soil is rich in organic matter? | Peaty soil |
| Purulia district has which soil type? | Laterite and Red soil |
| South 24 Parganas has which soil type? | Saline soil |
| Bankura district has which soil type? | Laterite soil |
| Which soil is most fertile? | New alluvial (Khadar) |
| Which soil is least fertile? | Laterite soil |
| Gangani region is known for which soil? | Laterite soil |
| Sundarban soil is which type? | Clayey Saline soil |
| Terai soil is ideal for which crop? | Tea |
| Number of major soil types in WB? | 6 |
Topic 7: Agriculture of West Bengal
Agriculture of West Bengal – Overview
| Feature | Details |
|---|---|
| Main Occupation | Agriculture (≈ 60% population dependent) |
| Total Cropped Area | ≈ 55 lakh hectares |
| Net Sown Area | ≈ 52 lakh hectares |
| Cropping Intensity | ≈ 185% |
| Major Cropping Seasons | Kharif, Rabi, Boro |
| Principal Crops | Rice, Jute, Tea, Potato, Sugarcane, Oilseeds |
| Rank in Foodgrain Production | 6th in India |
| Rank in Rice Production | 1st in India (Largest producer) |
| Rank in Jute Production | 1st in India (Largest producer) |
| Rank in Tea Production | 2nd in India (after Assam) |
| Rank in Potato Production | 2nd in India (after Uttar Pradesh) |
| Rank in Vegetable Production | 1st in India |
Rice Cultivation in West Bengal
Rice Varieties
| Variety | Season | Sowing Time | Harvesting Time | Area |
|---|---|---|---|---|
| Aus (Autumn Rice) | Kharif | May-June | September-October | 10% of rice area |
| Aman (Winter Rice) | Kharif | June-July | November-December | 65% of rice area |
| Boro (Summer Rice) | Rabi/Boro | November-December | April-May | 25% of rice area |
Rice Production Statistics
| Feature | Details |
|---|---|
| Total Rice Production | ≈ 160 lakh tonnes (annual) |
| Share in India’s Rice | ≈ 14-15% |
| Rank in India | 1st (Largest producer of rice in India) |
| Main Rice Districts | Bardhaman, Medinipur, Murshidabad, Nadia, Hooghly |
| Highest Producing District | Bardhaman (Purba + Paschim) |
| Aman Rice Dominant Area | South Bengal districts |
| Boro Rice Dominant Area | North Bengal plains |
Rice Producing Districts (Rank-wise)
| Rank | District | Production (approx) |
|---|---|---|
| 1 | Bardhaman (combined) | Highest |
| 2 | Medinipur (combined) | 2nd Highest |
| 3 | Murshidabad | 3rd Highest |
| 4 | Nadia | 4th Highest |
| 5 | Hooghly | 5th Highest |
| 6 | North 24 Parganas | Significant |
| 7 | South 24 Parganas | Significant |
| 8 | Bankura | Moderate |
| 9 | Birbhum | Moderate |
| 10 | Dinajpur districts | Moderate |
Boro Rice Cultivation
| Feature | Details |
|---|---|
| Season | Winter-Summer (Nov-April) |
| Water Source | Irrigation (canals, tube wells) |
| Major Areas | North Bengal plains, Bardhaman |
| Characteristics | High yielding varieties, requires assured irrigation |
Jute Cultivation
| Feature | Details |
|---|---|
| Botanical Name | Corchorus olitorius, Corchorus capsularis |
| Season | Kharif (March-April to August-September) |
| Soil Required | Well-drained alluvial soil |
| Temperature Required | 25°C – 35°C |
| Rainfall Required | 150-250 cm |
| Total Production | ≈ 80 lakh bales |
| Share in India’s Jute | ≈ 50% (Largest producer) |
| Rank in India | 1st |
| Main Jute Districts | Murshidabad, Nadia, North 24 Parganas, Hooghly, Malda |
| Largest Producer District | Murshidabad |
Jute Producing Districts
| Rank | District |
|---|---|
| 1 | Murshidabad |
| 2 | Nadia |
| 3 | North 24 Parganas |
| 4 | Hooghly |
| 5 | Malda |
| 6 | Cooch Behar |
| 7 | Jalpaiguri |
Tea Cultivation
| Feature | Details |
|---|---|
| Type | Camellia sinensis |
| Season | Throughout year (peak: April-October) |
| Soil Required | Terai soil, well-drained loamy soil |
| Temperature Required | 15°C – 30°C |
| Rainfall Required | 200-300 cm |
| Altitude Required | 600-2000 m (Darjeeling), 100-300 m (Dooars) |
| Total Production | ≈ 25 crore kg |
| Share in India’s Tea | ≈ 25% |
| Rank in India | 2nd (after Assam) |
| Famous Varieties | Darjeeling Tea (GI Tag) |
| Main Tea Regions | Darjeeling Hills, Terai, Dooars |
Tea Producing Regions
| Region | Districts | Characteristics |
|---|---|---|
| Darjeeling Hills | Darjeeling, Kalimpong | High altitude, world-famous flavour |
| Terai Region | Darjeeling foothills, Jalpaiguri | Moderate altitude, high yield |
| Dooars Region | Jalpaiguri, Alipurduar | Low altitude, high volume |
Tea Producing Districts
| Rank | District | Production Share |
|---|---|---|
| 1 | Jalpaiguri | Highest (Dooars region) |
| 2 | Darjeeling | 2nd Highest |
| 3 | Alipurduar | 3rd Highest |
| 4 | Cooch Behar | Moderate |
| 5 | Uttar Dinajpur | Small |
Potato Cultivation
| Feature | Details |
|---|---|
| Season | Rabi (October-November to January-February) |
| Soil Required | Well-drained sandy loam |
| Temperature Required | 15°C – 25°C |
| Total Production | ≈ 120 lakh tonnes |
| Share in India’s Potato | ≈ 25% |
| Rank in India | 2nd (after Uttar Pradesh) |
| Main Potato Districts | Hooghly, Bardhaman, Medinipur, Howrah, 24 Parganas |
| Largest Producer District | Hooghly |
Potato Producing Districts
| Rank | District |
|---|---|
| 1 | Hooghly |
| 2 | Purba Bardhaman |
| 3 | Paschim Medinipur |
| 4 | Howrah |
| 5 | North 24 Parganas |
| 6 | Bankura |
| 7 | Nadia |
Sugarcane Cultivation
| Feature | Details |
|---|---|
| Season | Kharif (February-March to November-December) |
| Soil Required | Alluvial soil |
| Temperature Required | 20°C – 30°C |
| Rainfall Required | 100-150 cm |
| Total Production | ≈ 50 lakh tonnes |
| Main Sugarcane Districts | Murshidabad, Nadia, North 24 Parganas, Bardhaman |
| Largest Producer District | Murshidabad |
Cash Crops Summary
| Crop | Rank in India | Major Districts |
|---|---|---|
| Rice | 1st | Bardhaman, Medinipur, Murshidabad |
| Jute | 1st | Murshidabad, Nadia, North 24 Parganas |
| Tea | 2nd | Jalpaiguri, Darjeeling, Alipurduar |
| Potato | 2nd | Hooghly, Bardhaman, Medinipur |
| Vegetables | 1st | Hooghly, Bardhaman, 24 Parganas |
| Sugarcane | – | Murshidabad, Nadia, 24 Parganas |
| Tobacco | – | Murshidabad |
Important One-Liners
| Question | Answer |
|---|---|
| Main occupation of West Bengal? | Agriculture |
| How many cropping seasons in WB? | 3 (Kharif, Rabi, Boro) |
| Main Kharif crop of WB? | Rice (Aman) |
| Main Rabi crop of WB? | Potato, Wheat, Pulses |
| Boro rice is grown in which season? | Summer (Nov-April) |
| Largest rice producing district? | Bardhaman |
| Largest jute producing district? | Murshidabad |
| Largest tea producing district? | Jalpaiguri |
| Largest potato producing district? | Hooghly |
| Largest tobacco producer district? | Murshidabad |
| WB rank in rice production? | 1st (Largest producer in India) |
| WB rank in jute production? | 1st (Largest producer in India) |
| WB rank in vegetable production? | 1st (Largest producer in India) |
| WB rank in tea production? | 2nd (after Assam) |
| WB rank in potato production? | 2nd (after Uttar Pradesh) |
| WB share in India’s jute? | ≈ 50% |
| WB share in India’s rice? | ≈ 14-15% |
| WB share in India’s potato? | ≈ 25% |
| Which rice variety covers largest area? | Aman (65%) |
| Where is Boro rice mainly grown? | North Bengal plains |
| Which soil is best for tea? | Terai soil |
| Which district is famous for Darjeeling Tea? | Darjeeling |
| Which region is known as ‘Rice Bowl of Bengal’? | Bardhaman |
| Which district is famous for mango? | Malda |
| Which district is famous for pineapple? | Darjeeling, Jalpaiguri |
| Which crop has GI Tag in WB? | Darjeeling Tea |
| Which crop is grown in Sundarbans? | Salt-tolerant paddy |
India Rankings – Verified Facts
| Crop | West Bengal’s Rank in India | Larger Producer (if any) |
|---|---|---|
| Rice | 1st | – |
| Jute | 1st | – |
| Vegetables | 1st | – |
| Tea | 2nd | Assam |
| Potato | 2nd | Uttar Pradesh |
| Fish Production | 1st (Inland) | – |
Topic 8: Forests and Wildlife of West Bengal
Forests of West Bengal – Overview
| Feature | Details |
|---|---|
| Total Forest Area | ≈ 11,879 sq km |
| Percentage of State Area | ≈ 13.38% |
| Forest Cover Rank in India | 15th |
| Very Dense Forest | ≈ 3,000 sq km |
| Moderately Dense Forest | ≈ 4,000 sq km |
| Open Forest | ≈ 4,800 sq km |
| Mangrove Forest | ≈ 4,200 sq km (Sundarbans) |
| Largest Forest District | South 24 Parganas (Sundarbans) |
| Highest Forest Cover District | Jalpaiguri, Darjeeling, Alipurduar |
Forest Types in West Bengal
| Forest Type | Location | Characteristics | Major Trees |
|---|---|---|---|
| Tropical Moist Deciduous | North Bengal, Darjeeling foothills | Dense, sheds leaves in dry season | Sal, Teak, Mahua |
| Tropical Dry Deciduous | Western plateau (Purulia, Bankura) | Sparse, scrub vegetation | Sal, Palash, Mahua |
| Mangrove Forest | Sundarbans | Tidal, saline, deltaic | Sundari, Goran, Gewa |
| Temperate Forest | Darjeeling Hills (1500-3000 m) | Coniferous, cool climate | Oak, Fir, Pine, Rhododendron |
| Sub-Alpine Forest | Darjeeling (>3000 m) | High altitude, stunted trees | Rhododendron, Juniper |
National Parks of West Bengal
| National Park | District | Established | Area (sq km) | Famous For |
|---|---|---|---|---|
| Sundarbans National Park | South 24 Parganas | 1984 | 1,330 | Royal Bengal Tiger, Mangrove |
| Jaldapara National Park | Alipurduar | 2014 (as NP) | 216 | Indian One-horned Rhinoceros |
| Gorumara National Park | Jalpaiguri | 1992 | 80 | Indian One-horned Rhinoceros |
| Buxa Tiger Reserve | Alipurduar | 1983 | 760 | Tiger, Elephant |
| Singalila National Park | Darjeeling | 1986 | 78 | Red Panda, Rhododendron |
| Neora Valley National Park | Kalimpong | 1986 | 88 | Clouded Leopard, Red Panda |
Wildlife Sanctuaries of West Bengal
| Wildlife Sanctuary | District | Area (sq km) | Famous For |
|---|---|---|---|
| Chapramari Wildlife Sanctuary | Jalpaiguri | 960 | Elephant, Deer |
| Mahananda Wildlife Sanctuary | Darjeeling | 159 | Elephant, Tiger |
| Senchal Wildlife Sanctuary | Darjeeling | 39 | Himalayan Black Bear |
| Raiganj Wildlife Sanctuary (Kulik) | Uttar Dinajpur | 1.3 | Bird Sanctuary (Asian Openbill Stork) |
| Bethuadahari Wildlife Sanctuary | Nadia | 0.67 | Deer, Python |
| Ballavpur Wildlife Sanctuary | Birbhum | 2 | Deer |
| Rammabagan Wildlife Sanctuary | Burdwan | 0.14 | Deer |
| Lothian Island Wildlife Sanctuary | South 24 Parganas | 38 | Estuarine Crocodile |
| Haliday Island Wildlife Sanctuary | South 24 Parganas | 6 | Spotted Deer |
| Sajnekhali Wildlife Sanctuary | South 24 Parganas | 362 | Tiger, Birds |
Tiger Reserves of West Bengal
| Tiger Reserve | District | Established | Area (sq km) | Special Feature |
|---|---|---|---|---|
| Sundarbans Tiger Reserve | South 24 Parganas | 1973 | 2,585 | Only mangrove tiger habitat |
| Buxa Tiger Reserve | Alipurduar | 1983 | 760 | Elephant corridor |
Biosphere Reserves
| Biosphere Reserve | District | Established | Area (sq km) | Special Feature |
|---|---|---|---|---|
| Sundarbans Biosphere Reserve | South 24 Parganas | 1989 | 9,630 | Mangrove ecosystem |
Important One-Liners
| Question | Answer |
|---|---|
| Total forest area of West Bengal? | ≈ 11,879 sq km |
| Forest cover percentage of WB? | ≈ 13.38% |
| Largest forest district? | South 24 Parganas |
| Highest forest cover district? | Jalpaiguri, Darjeeling, Alipurduar |
| Largest mangrove forest in the world? | Sundarbans |
| Sundarbans declared UNESCO World Heritage Site in? | 1987 |
| Sundarbans declared Ramsar Site in? | 2019 |
| Sundarbans declared Biosphere Reserve in? | 1989 |
| Sundarbans Tiger Reserve established in? | 1973 |
| Which national park is famous for one-horned rhinoceros? | Jaldapara, Gorumara |
| Which national park is famous for Red Panda? | Singalila, Neora Valley |
| Which wildlife sanctuary is famous for birds? | Raiganj (Kulik) |
| Sal forests are found in which district? | Bankura, Purulia, Medinipur |
| Joint Forest Management first successful at? | Arabari village, Medinipur (1972) |
| Temperate forests in Darjeeling at what elevation? | 1500 m |
| Which tree is found in Sundarbans? | Sundari |
| Which animal is symbol of Sundarbans? | Royal Bengal Tiger |
| Number of National Parks in WB? | 6 |
| Number of Wildlife Sanctuaries in WB? | 15+ |
Topic 9: Minerals and Industries of West Bengal
Minerals of West Bengal – Overview
| Feature | Details |
|---|---|
| Major Mineral Belts | Western Plateau (Purulia, Bankura, Paschim Bardhaman) |
| Important Minerals | Coal, Fireclay, China Clay, Limestone, Dolomite, Mica |
| Mining Districts | Paschim Bardhaman, Bankura, Purulia, Birbhum |
Major Minerals of West Bengal
| Mineral | Districts | Uses | Importance |
|---|---|---|---|
| Coal | Paschim Bardhaman, Bankura, Birbhum, Purulia | Power generation, Steel industry | Most important mineral |
| Fireclay | Paschim Bardhaman, Bankura, Birbhum | Refractory industry, Pottery | 2nd most important |
| China Clay (Kaolin) | Birbhum, Bankura, Purulia, Medinipur | Ceramics, Paper, Paint | High quality |
| Limestone | Bankura, Purulia, Darjeeling | Cement industry | Limited deposits |
| Dolomite | Darjeeling, Jalpaiguri | Steel industry, Refractory | Found in North Bengal |
| Mica | Purulia | Electrical equipment | Historically important |
Coal Mining in West Bengal
Coal Fields
| Coalfield | District | Established | Type | Operator |
|---|---|---|---|---|
| Raniganj Coalfield | Paschim Bardhaman | 1774 (oldest in India) | Bituminous | ECL, BCCL |
| Birbhum Coalfield | Birbhum | Recent | Bituminous | ECL |
| Bankura Coalfield | Bankura | Recent | Bituminous | ECL |
Deocha-Pachami Coal Block
| Feature | Details |
|---|---|
| Location | Birbhum district |
| Reserves | 2,100 million tonnes (largest in India) |
| Quality | Bituminous |
| Significance | Will make WB major coal producer |
Industries of West Bengal – Overview
| Feature | Details |
|---|---|
| Industrial Status | 3rd largest industrial state in India |
| Major Industrial Sectors | Steel, Jute, Tea, Petrochemical, IT, Engineering |
| Industrial Corridors | Kolkata-Haldia, Durgapur-Asansol |
| SEZs | Falta, Manikanchan, Kolkata |
Major Industries of West Bengal
| Industry | Location | Products | Significance |
|---|---|---|---|
| Iron & Steel | Durgapur, Burnpur, Kulti | Steel, Pig Iron | 2nd oldest steel plant in India |
| Jute Industry | Hooghly, Howrah, 24 Parganas | Jute products | Largest jute producer in India |
| Tea Industry | Jalpaiguri, Darjeeling, Alipurduar | Tea | 2nd largest tea producer |
| Petrochemical | Haldia | Petroleum products, Chemicals | Major refinery |
| IT Industry | Kolkata (Salt Lake, New Town) | Software, IT services | IT hub of Eastern India |
| Engineering | Howrah, Kolkata | Machinery, Engineering goods | Traditional industry |
| Textile Industry | Dhaniakhali, Santipur, Shantiniketan | Handloom, Tant sarees | Famous traditional craft |
| Leather Industry | Kolkata (Tangra), Batanagar | Leather products | Export quality |
| Paper Industry | Raniganj, Titagarh, Naihati | Paper, Newsprint | Several mills |
Export Processing Zones (EPZ) and SEZs
| Zone | Location | Type | Established |
|---|---|---|---|
| Falta EPZ | Falta, South 24 Parganas | Export Processing Zone | 1984 |
| Manikanchan SEZ | Kolkata | Gems & Jewellery | – |
| Kolkata SEZ | Kolkata | Multi-product | – |
| New Town SEZ | New Town, Kolkata | IT | – |
Important One-Liners
| Question | Answer |
|---|---|
| Mica producing district of West Bengal? | Purulia |
| Export Processing Zone (EPZ) in WB? | Falta |
| Dhaniakhali is famous for which industry? | Tant industry (Handloom) |
| Haldia is a centre for which industry? | Petro-Chemical Industries |
| Kharagpur Railway workshop built in? | 1900 |
| Adra in Purulia is known for? | Railway Junction |
| Oldest coalfield of Damodar Valley? | Raniganj (1774) |
| Most superior industrial coal of WB? | Bituminous |
| Rammam hydroelectric project location? | Darjeeling |
| Salt Lake is centre for which industry? | IT Industry |
| Largest coal block in India? | Deocha-Pachami (Birbhum) |
| Oldest steel plant in WB? | IISCO, Burnpur (1918) |
| Durgapur Steel Plant established in? | 1959 |
| Howrah is famous for which industry? | Engineering, Jute |
| Santipur is famous for? | Handloom sarees |
| Haldia Refinery operator? | IOCL |
| Sector V, Salt Lake is hub of? | IT Industry |
| Falta EPZ is in which district? | South 24 Parganas |
Topic 10: Power and Irrigation Projects of West Bengal
Power Sector of West Bengal – Overview
| Feature | Details |
|---|---|
| Total Installed Capacity | ≈ 15,000 MW |
| State’s Own Generation | ≈ 8,000 MW |
| Per Capita Consumption | ≈ 650 kWh |
| Major Power Utilities | WBPDCL, CESC, DVC, NTPC |
Major Thermal Power Plants
| Power Plant | Location | District | Capacity (MW) |
|---|---|---|---|
| Bandel TPS | Bandel | Hooghly | 540 |
| Kolaghat TPS | Kolaghat | Purba Medinipur | 1,260 |
| Santaldih TPS | Santaldih | Purulia | 500 |
| Bakreshwar TPS | Bakreshwar | Birbhum | 1,050 |
| Sagardighi TPS | Sagardighi | Murshidabad | 1,600 |
| Mejia TPS | Mejia | Bankura | 2,340 |
| Farakka TPS | Farakka | Murshidabad | 2,100 |
Hydel Power Plants
| Power Plant | River | District | Capacity (MW) |
|---|---|---|---|
| Rammam HEP | Rammam | Darjeeling | 51 |
| Jaldhaka HEP | Jaldhaka | Jalpaiguri | 27 |
| Teesta Low Dam HEP | Teesta | Jalpaiguri | 160 |
| Purulia Pumped Storage | Kangsabati | Purulia | 900 |
DVC (Damodar Valley Corporation)
| Feature | Details |
|---|---|
| Established | 7 July 1948 |
| Modeled After | Tennessee Valley Authority (TVA), USA |
| Headquarters | Kolkata |
| Coverage | West Bengal & Jharkhand |
Major Irrigation Projects
| Project | River | District | Irrigation Area (ha) |
|---|---|---|---|
| Kangsabati Project | Kangsabati | Bankura, Medinipur | 3,50,000 |
| Mayurakshi Project | Mayurakshi | Birbhum, Murshidabad | 2,50,000 |
| Damodar Canal System | Damodar | Bardhaman, Hooghly | 4,00,000 |
| Teesta Barrage Project | Teesta | Jalpaiguri, Cooch Behar | 5,00,000 |
Important Barrages
| Barrage | River | District | Purpose |
|---|---|---|---|
| Farakka Barrage | Ganga | Murshidabad | Water diversion, Navigation |
| Tilpara Barrage | Mayurakshi | Birbhum | Irrigation |
| Durgapur Barrage | Damodar | Paschim Bardhaman | Irrigation |
| Teesta Barrage | Teesta | Jalpaiguri | Irrigation |
| Mukutmanipur Dam | Kangsabati | Bankura | Irrigation |
Durgapur Barrage – Detailed Specifications
| Feature | Details |
|---|---|
| Location | Durgapur, Paschim Bardhaman on river Damodar |
| Catchment Area | 19,547 sq km |
| Width Between Abutments | 692 m |
| No. of Weir Bays | 24 (each 18.29 m) + 10 Under Sluice Bays |
| Irrigable Area | Kharif – 3,93,768 ha; Rabi – 22,258 ha; Boro – 69,790 ha |
| Operator | DVC |
Important One-Liners
| Question | Answer |
|---|---|
| Mukutmanipur Dam is across which river? | Kangsabati |
| Farakka Barrage construction period? | 1961-72 |
| Primary objective of Farakka Barrage? | Augmentation of water supply in Hooghly river |
| DVC planning followed which foreign project? | TVA (Tennessee Valley Authority) |
| DVC established in? | 1948 |
| DVC headquarters? | Kolkata |
| Durgapur Barrage is on which river? | Damodar |
| Tilpara Barrage is on which river? | Mayurakshi |
| Largest irrigation project in WB? | Teesta Barrage Project |
| Purulia Pumped Storage capacity? | 900 MW |
| Rammam HEP located in which district? | Darjeeling |
| Largest thermal power plant in WB? | Sagardighi TPS (1,600 MW) |
| Kolaghat TPS is in which district? | Purba Medinipur |
| Bakreshwar TPS is in which district? | Birbhum |
| Santaldih TPS is in which district? | Purulia |
| Farakka TPS is in which district? | Murshidabad |
Topic 11: Population and Census of West Bengal
Population of West Bengal – Overview (2011 Census)
| Feature | Details |
|---|---|
| Total Population | 9,13,47,736 (9.13 crore) |
| Rank in India | 4th (after UP, Maharashtra, Bihar) |
| Male Population | 4,68,09,027 |
| Female Population | 4,45,38,709 |
| Population Growth Rate (2001-11) | 13.93% |
| Population Density | 1,028 per sq km |
| Rank in Density | 2nd (after Bihar) |
| Sex Ratio | 950 females per 1000 males |
| Child Sex Ratio (0-6 years) | 956 |
| Literacy Rate | 76.26% |
| Male Literacy | 81.69% |
| Female Literacy | 70.54% |
| Urban Population | 31.87% |
| Rural Population | 68.13% |
Population Growth Trend (1901-2011)
| Period | Growth Rate | Significance |
|---|---|---|
| 1911-1921 | -2.91% | Only negative decade (Influenza pandemic) |
| 1961-1971 | +32.80% | Highest growth rate |
| 2001-2011 | +13.93% | Declining trend |
District-wise Rankings
| Category | Top District | Value |
|---|---|---|
| Highest Population | North 24 Parganas | 1,00,09,781 |
| Lowest Population | Kalimpong | 2,51,642 |
| Highest Density | Kolkata | 24,306 per sq km |
| Lowest Density | Purulia | 468 per sq km |
| Highest Literacy | Purba Medinipur | 87.66% |
| Lowest Literacy | Purulia | 64.48% |
| Highest Sex Ratio | Darjeeling | 971 |
| Lowest Sex Ratio | South 24 Parganas | 949 |
| Highest Child Sex Ratio | Darjeeling | 970 |
Important One-Liners
| Question | Answer |
|---|---|
| Total population of WB (2011)? | 9.13 crore |
| Rank of WB in population? | 4th |
| Population density of WB? | 1,028 per sq km |
| Rank in population density? | 2nd |
| Sex ratio of WB? | 950 |
| Child sex ratio of WB? | 956 |
| Literacy rate of WB? | 76.26% |
| Male literacy rate? | 81.69% |
| Female literacy rate? | 70.54% |
| Urban population percentage? | 31.87% |
| Decadal growth rate (2001-11)? | 13.93% |
| Highest growth rate decade? | 1961-71 (32.80%) |
| Negative growth decade? | 1911-21 (-2.91%) |
| Most populous district? | North 24 Parganas |
| Least populous district? | Kalimpong |
| Highest density district? | Kolkata |
| Lowest density district? | Purulia |
| Highest literacy district? | Purba Medinipur |
| Lowest literacy district? | Purulia |
| Highest sex ratio district? | Darjeeling |
| Most urbanized district? | Kolkata |
Topic 12: Transport and Communication of West Bengal
Road Transport
| Feature | Details |
|---|---|
| Total Road Length | ≈ 92,000 km |
| National Highways | ≈ 2,900 km |
| State Highways | ≈ 4,000 km |
| Road Density | ≈ 104 km per 100 sq km |
Major National Highways
| NH No. | Route | Significance |
|---|---|---|
| NH-12 | Kolkata – Delhi via Bardhaman, Durgapur | Grand Trunk Road |
| NH-16 | Kolkata – Chennai via Kharagpur | Connects South India |
| NH-17 | Kolkata – Guwahati via Siliguri | Gateway to Northeast |
| NH-14 | Barasat – Bangaon | Connects Bangladesh border |
| NH-16 (Old NH-41) | Kolaghat – Haldia | Port connectivity |
Railway Transport
| Feature | Details |
|---|---|
| Total Rail Route | ≈ 4,500 km |
| First Railway Line | Howrah to Hooghly (1854) |
| Longest Platform | Kharagpur (1,072 m) |
| Darjeeling Himalayan Railway | UNESCO World Heritage Site (1999) |
| Kolkata Metro | First metro in India (1984) |
Darjeeling Himalayan Railway
| Feature | Details |
|---|---|
| Route | New Jalpaiguri to Darjeeling |
| Length | 88 km |
| Gauge | 2 ft (610 mm) narrow gauge |
| Opened | 1881 |
| UNESCO World Heritage Site | 1999 |
Kolkata Metro
| Feature | Details |
|---|---|
| First Metro in India | 1984 |
| First Route | Esplanade to Bhowanipur (3.4 km) |
| Current Length | ≈ 40 km (operational) |
Water Transport
| Port | Type | District | Significance |
|---|---|---|---|
| Kolkata Port | Major Port | Kolkata | Only riverine major port in India |
| Haldia Port | Sub-port | Purba Medinipur | Deep water port, petrochemical hub |
National Waterway-1
| Feature | Details |
|---|---|
| Route | Allahabad to Haldia (1,620 km) |
| NW-1 in WB | Farakka to Haldia (560 km) |
Air Transport
| Airport | Location | District | Type |
|---|---|---|---|
| NSCBI Airport | Dum Dum | Kolkata | International |
| Bagdogra Airport | Bagdogra | Darjeeling | International |
| Kazi Nazrul Islam Airport | Andal | Paschim Bardhaman | Domestic |
Major Bridges
| Bridge | River | Type | Length (m) |
|---|---|---|---|
| Howrah Bridge (Rabindra Setu) | Hooghly | Cantilever | 705 |
| Vidyasagar Setu | Hooghly | Cable-stayed | 823 |
| Vivekananda Setu (Bally Bridge) | Hooghly | Rail-cum-Road | 899 |
| Farakka Bridge | Ganga | Rail-cum-Road | 2,240 |
Important One-Liners
| Question | Answer |
|---|---|
| First railway line in West Bengal? | Howrah to Hooghly (1854) |
| Longest railway platform in India? | Kharagpur (1,072 m) |
| Darjeeling Himalayan Railway UNESCO Year? | 1999 |
| First metro in India started in? | Kolkata (1984) |
| Howrah Bridge renamed as? | Rabindra Setu |
| Vidyasagar Setu is also known as? | Second Hooghly Bridge |
| Kolkata Port is which type of port? | Riverine major port |
| Haldia Port is located on which river? | Hooghly |
| NH-12 connects? | Kolkata to Delhi |
| NH-17 connects? | Kolkata to Guwahati |
| Kolkata Airport IATA code? | CCU |
| Bagdogra Airport IATA code? | IXB |
Topic 13: GI Tags and Protected Areas of West Bengal
Part A: Geographical Indication (GI) Tags of West Bengal
| Feature | Details |
|---|---|
| Total GI Tagged Products (WB) | 27 products (as of 2025) |
| First GI Product from WB | Darjeeling Tea (2004-05) |
Major GI Tagged Products
| Product | Category | District/Region |
|---|---|---|
| Darjeeling Tea | Agriculture | Darjeeling |
| Santipore Saree | Handicraft | Nadia |
| Baluchari Saree | Handicraft | Murshidabad |
| Dhaniakhali Saree | Handicraft | Hooghly |
| Joynagar Moa | Food | South 24 Parganas |
| Bardhaman Sitabhog | Food | Purba Bardhaman |
| Bardhaman Mihidana | Food | Purba Bardhaman |
| Gobindobhog Rice | Agriculture | Bardhaman, Hooghly, Nadia |
| Bengal Rasogolla | Food | West Bengal |
| Nakshi Kantha | Handicraft | West Bengal |
| Wooden Mask (Chau Mask) | Handicraft | Purulia |
| Sundarbans Honey (Mouban) | Agriculture | Sundarbans |
| Kalo Nunia Rice | Agriculture | Jalpaiguri |
| Garad Saree | Handicraft | Murshidabad |
| Korial Saree | Handicraft | Murshidabad |
| Tangail Saree | Handicraft | Nadia, Purba Bardhaman |
| Banglar Muslin | Handicraft | West Bengal |
Part B: UNESCO World Heritage Sites
| Site | Category | District | Year |
|---|---|---|---|
| Sundarbans National Park | Natural | South 24 Parganas | 1987 |
| Darjeeling Himalayan Railway | Cultural | Darjeeling | 1999 |
| Santiniketan | Cultural | Birbhum | 2023 |
Part C: UNESCO Intangible Cultural Heritage
| Element | Year | Significance |
|---|---|---|
| Kolkata Durga Puja | 2021 | Art, ritual, community participation |
Part D: Tiger Reserves
| Tiger Reserve | District | Established | Area (sq km) |
|---|---|---|---|
| Sundarbans Tiger Reserve | South 24 Parganas | 1973 | 2,585 |
| Buxa Tiger Reserve | Alipurduar | 1983 | 760 |
Sundarbans Tiger Reserve Details
| Feature | Details |
|---|---|
| Unique Feature | Only mangrove tiger habitat in the world |
| Tiger Population | ≈ 100 (as per recent estimates) |
| Adaptations | Tigers are excellent swimmers |
Tiger Tillas Project
| Feature | Details |
|---|---|
| Purpose | Safe elevated shelter for tigers and deer during cyclones |
| Height | 10-12 feet |
| Construction Period | Phase I (2023-24): 5 tillas; Phase II (2024-25): 2 tillas |
| Locations | Katka, Kachikhali, Harbaria, Supti, Marapashur |
Part E: Crocodile Conservation Projects
Bhagabatpur Crocodile Project
| Feature | Details |
|---|---|
| Location | Saptamukhi Estuary, South 24 Parganas |
| Type | Hatchery and breeding centre |
| Species | Estuarine Crocodile, Batagur Baska tortoise |
Satellite Tracking of Saltwater Crocodiles (2024-25)
| Feature | Details |
|---|---|
| Project Lead | IUCN Bangladesh with GIZ support |
| Crocodiles Tagged | 5 (Juliet, Madhu, Putia, Jongra, Harbaria) |
| Total Distance Covered | 1,043 km of waterways |
| Longest Distance | Jongra – 473 km in 64 days |
Part F: Dolphin Conservation Projects
Dolphin Species in Sundarbans
| Species | Scientific Name | IUCN Status |
|---|---|---|
| Ganges River Dolphin | Platanista gangetica | Endangered |
| Irrawaddy Dolphin | Orcaella brevirostris | Endangered |
Project Dolphin
| Feature | Details |
|---|---|
| Launched | 2020 |
| Implementing Agency | MoEFCC, WII, State Forest Depts |
| Key Focus | Pan-India estimation and conservation of riverine and estuarine dolphins |
Threats to Dolphins
| Threat Factor | Percentage |
|---|---|
| Incidental killing by fishing nets | 70% |
| Poison fishing | 8% |
| Decline of fish and crustaceans | 6% |
| Decrease of freshwater flow | 6% |
| Siltation | 5% |
Part G: Ramsar Sites (Wetlands)
| Wetland | District | Year | Area (sq km) |
|---|---|---|---|
| East Calcutta Wetlands | Kolkata, North 24 Parganas | 2002 | 125 |
| Sundarban Wetland | South 24 Parganas | 2019 | 4,230 |
East Calcutta Wetlands
| Feature | Details |
|---|---|
| Unique Feature | World’s largest wastewater-fed aquaculture system |
| Functions | Treats Kolkata’s sewage; nutrients sustain fish farms and agriculture |
Sundarban Wetland
| Feature | Details |
|---|---|
| Area | 4,230 sq km (largest Ramsar site in India) |
| Significance | Habitat for Royal Bengal Tiger, estuarine crocodile, Gangetic dolphin |
Part H: Mangrove Restoration Projects
| Project | Year | Key Objectives |
|---|---|---|
| MISHTI | 2023 onwards | Mangrove afforestation, eco-restoration |
| ICZM | Ongoing | Mangrove afforestation, saline embankment strengthening |
| CRIS Project | 2025 | Faunal inventory, climate-risk assessment, GIS mapping |
Mangrove Cover Status
| Year | Mangrove Cover (sq km) |
|---|---|
| ISFR 2013 | 2,097 |
| ISFR 2023 | 2,119.16 |
Gain: +22.16 sq km in a decade
Important One-Liners (Miscellaneous)
| Question | Answer |
|---|---|
| First Indian product to get GI tag? | Darjeeling Tea |
| Total GI tagged products in West Bengal? | 27 |
| Sundarbans Honey GI tag year? | 2024 |
| Kalo Nunia Rice GI tag from which district? | Jalpaiguri |
| Garad and Korial sarees GI tag from which district? | Murshidabad |
| Tangail sarees GI tag from which districts? | Nadia and Purba Bardhaman |
| UNESCO World Heritage Sites in WB? | 3 |
| Sundarbans declared World Heritage Site in? | 1987 |
| Darjeeling Himalayan Railway declared World Heritage in? | 1999 |
| Santiniketan declared World Heritage in? | 2023 |
| Kolkata Durga Puja inscribed in UNESCO list in? | 2021 |
| Ramsar sites in West Bengal? | 2 |
| East Kolkata Wetlands declared Ramsar site in? | 2002 |
| Sundarban Wetland declared Ramsar site in? | 2019 |
| Largest Ramsar site in India? | Sundarban Wetland |
| Tiger Reserves in West Bengal? | 2 |
| Sundarbans Tiger Reserve established in? | 1973 |
| Only crocodile project in West Bengal? | Bhagabatpur Crocodile Project |
| Tiger Tillas are constructed for? | Safe shelter for tigers during cyclones |
| Height of Tiger Tillas? | 10-12 feet |
| First-ever satellite tracking of saltwater crocodiles in Sundarbans by? | IUCN Bangladesh (2024-25) |
| Project Dolphin was launched in? | 2020 |
| Major threat to dolphins? | Incidental killing by fishing nets (70%) |
| MISHTI project stands for? | Mangrove Initiative for Shoreline Habitats & Tangible Incomes |
| Mangrove cover in West Bengal (ISFR 2023)? | 2,119.16 sq km |
Summary Table: Protected Areas and Recognitions
| Category | Name | District | Year |
|---|---|---|---|
| UNESCO World Heritage (Natural) | Sundarbans National Park | South 24 Parganas | 1987 |
| UNESCO World Heritage (Cultural) | Darjeeling Himalayan Railway | Darjeeling | 1999 |
| UNESCO World Heritage (Cultural) | Santiniketan | Birbhum | 2023 |
| UNESCO Intangible Heritage | Kolkata Durga Puja | Kolkata | 2021 |
| Ramsar Site | East Kolkata Wetlands | Kolkata, North 24 Parganas | 2002 |
| Ramsar Site | Sundarban Wetland | South 24 Parganas | 2019 |
| Tiger Reserve | Sundarbans Tiger Reserve | South 24 Parganas | 1973 |
| Tiger Reserve | Buxa Tiger Reserve | Alipurduar | 1983 |
| Biosphere Reserve | Sundarbans Biosphere Reserve | South 24 Parganas | 1989 |
End of Section A: West Bengal Geography
Total Topics Covered: 13
- Location and Boundaries
- Districts with Formation Year
- Physiography
- Rivers
- Climate
- Soil
- Agriculture
- Forests and Wildlife
- Minerals and Industries
- Power and Irrigation Projects
- Population and Census
- Transport and Communication
- GI Tags and Protected Areas (with Sundarbans Wildlife Projects)