🚀 SCIENCE & TECHNOLOGY – CURRENT AFFAIRS FOR WBCS 2026

Exam Tip: Science & Technology is a high-weightage section in WBCS Prelims. Focus on ISRO missions, DRDO developments, defence technology, and recent scientific achievements.


📑 QUICK NAVIGATION

SectionTopic
1ISRO – Gaganyaan Mission (Human Spaceflight)
2ISRO – Launch Vehicles & Future Missions
3Indian Moon Missions (Chandrayaan Series)
4DRDO – Missile Technology
5DRDO – Advanced Defence Systems
6Quantum Technology & AI
7Research, Development & Innovation (RDI) Fund
8NASA – Artemis II Mission
9Key Organisations & Personalities
10Very Important One-Liners

🛰️ SECTION 1: ISRO – GAGANYAAN MISSION (HUMAN SPACEFLIGHT)

Mission Overview

FeatureDetail
Mission NameGaganyaan (Indian Human Spaceflight Programme)
ObjectiveLaunch crewed spacecraft to Low Earth Orbit (LEO)
Launch VehicleHuman Rated Launch Vehicle (HLVM3) – modified LVM3
Spacecraft ComponentsCrew Module (CM) + Service Module (SM) = Orbital Module
Crew CapacityUp to 3 astronauts
Splashdown LocationIndian territorial waters (Bay of Bengal)

Mission Timeline & Schedule

PhaseDetailsTimeline
G-1 MissionFirst uncrewed test flight with Vyommitra (half-humanoid robot)August-September 2026
G-2 MissionSecond uncrewed test flightAfter G-1, before crewed mission
G-3 MissionThird uncrewed test flightBefore crewed mission
H-1 MissionFirst crewed mission (3 astronauts)2027 (target)

Key Features of Gaganyaan

ComponentDescription
Human Rated LVM3 (HLVM3)Qualified and ready for first uncrewed mission
VyommitraHalf-humanoid robot to simulate astronaut conditions; will test life-support systems and microgravity conditions
Terrestrial LinksEstablished between Indian Naval Station, Sriharikota, Bengaluru Mission Control Centre, and Delhi Crew Module Recovery Centre
Ground Station SupportContract signed with Swedish Space Corporation
Next Generation Launch Vehicle (NGLV)Development initiated with reusable technology

Gaganyaan Astronauts (Selected)

NameBackground
Group Captain Prasanth Balakrishnan NairIndian Air Force pilot
Group Captain Ajit KrishnanIndian Air Force pilot
Group Captain Angad PratapIndian Air Force pilot
Wing Commander Shubhanshu ShuklaIndian Air Force pilot; flew to ISS on Axiom-4 Mission (2025)

India’s Aim in Human Spaceflight

RankNationFirst Crewed Mission
1Soviet Union (Russia)1961 (Vostok 1)
2United States1961 (Freedom 7)
3China2003 (Shenzhou 5)
4India aims to become4th nation to independently launch humans into space (2027 target)

🚀 SECTION 2: ISRO – LAUNCH VEHICLES & FUTURE MISSIONS

ISRO Annual Report 2025-26

DetailInformation
Total Missions Planned (2026-27)27 space missions
Gaganyaan-related missions4 missions
SSLV missions5 missions
Earth Observation missions3 missions
Communication & Navigation missions2 missions

Launch Vehicle Developments

VehicleStatusKey Feature
HLVM3Qualified and readyHuman-rated version of LVM3 for Gaganyaan
NGLV (Next Generation Launch Vehicle)InitiatedReusable technology

Advanced Propulsion Technologies

TechnologyStatus
LOX-Methane propulsionUnder development
Semi-cryogenic propulsionUnder development
Electric propulsionUnder development
Air-breathing propulsionUnder development

🌙 SECTION 3: INDIAN MOON MISSIONS (CHANDRAYAAN SERIES)

Completed Missions

MissionLaunch YearKey Achievements
Chandrayaan-12008India’s first lunar probe; discovered water molecules on Moon
Chandrayaan-22019Orbiter successfully inserted; lander crash-landed; orbiter continues to study Moon
Chandrayaan-32023First successful soft landing near Moon’s South Pole; rover operated for 14 days

Chandrayaan-3 Discoveries

DiscoveryDetail
Minerals identifiedAround 8 minerals were identified on lunar surface
Seismic activityStudied using instruments on lander
Thermal profileUnderstood temperature variations on Moon’s surface

Chandrayaan-4 (Lunar Sample Return Mission)

FeatureDetail
Mission TypeLunar Sample Return Mission (first for India)
ComplexityMost complex lunar endeavour yet
Target Launch2028
Landing SiteMons Mouton region near Moon’s South Pole; site MM-4 selected
Site CharacteristicsMean slope of 5 degrees, mean height of 5334 metres
Mission ComponentsPropulsion Module, Descender Module, Ascender Module, Transfer Module, Re-entry Module

Chandrayaan-5 (Heavy Lander Mission)

FeatureDetail
Lander WeightHeavier than Chandrayaan-3
Mission LifeTarget of approximately 100 days (vs 14 days of Chandrayaan-3)
Rover WeightApproximately 350 kg (vs 25 kg of Chandrayaan-3)

Future Lunar Roadmap

MilestoneTarget Year
Bharatiya Antariksh Station (Indian Space Station)2035
Indian astronaut on Moon2040

🎯 SECTION 4: DRDO – MISSILE TECHNOLOGY

Agni MIRV & Hypersonic Capability (May 2026)

In a span of 72 hours, DRDO demonstrated three complex strategic technologies:

DateTechnologySignificance
May 7, 2026TARA Glide Weapon System (first flight test)India’s first indigenous modular glide weapon; converts conventional unguided warheads into long-range precision-guided weapons
May 8, 2026Agni Missile with MIRV capabilityValidated MIRV technology first tested under ‘Mission Divyastra’ (March 2024); ability to strike multiple strategic targets using single missile platform
May 9, 2026Scramjet Combustor testSustained supersonic combustion for over 1,200 seconds; key technology for future hypersonic cruise missiles

Key Terms Explained

TermFull Form / Meaning
MIRVMultiple Independently Targetable Re-entry Vehicle
TARATactical Advanced Range Augmentation (glide weapon system)
ScramjetSupersonic Combustion Ramjet

Naval Anti-ship Missile – Short Range (NASM-SR)

DetailInformation
Test DateApril 2026
Launch PlatformIndian Navy helicopter (Bay of Bengal, Odisha coast)
TypeMaiden salvo launch (two missiles in quick succession)
Key CapabilityWaterline hit capability demonstrated
Developed byResearch Centre Imarat (Hyderabad) + other DRDO labs
Production PartnersDcPP with Indian industries and start-ups

ULPGM-V3 (UAV Launched Precision Guided Missile)

DetailInformation
Test DateMay 2026
LocationDRDO test range, Kurnool, Andhra Pradesh
ModesAir-to-Ground (anti-tank role) + Air-to-Air (drone, helicopter targets)
Production AgenciesBharat Dynamics Limited, Adani Defence Systems & Technologies
UAV PartnerNewspace Research and Technologies, Bengaluru
Nodal LabResearch Centre Imarat, Hyderabad

🛡️ SECTION 5: DRDO – ADVANCED DEFENCE SYSTEMS

DRDO-ISRO Collaboration for Himalayan Meteorology

DetailInformation
PartnersDRDO (DGRE) + ISRO (SAC)
DGREDefence Geoinformatics Research Establishment, Chandigarh
SACSpace Applications Centre, Ahmedabad
ObjectiveSatellite-based monitoring of snow cover in Himalayas and mountain meteorology forecasts
ApplicationsAvalanche prediction, troop movement planning, civil administration support

💻 SECTION 6: QUANTUM TECHNOLOGY & AI

National Quantum Mission Progress

TargetAchievement
Original Target2,000 km quantum-secure communication in 8 years
AchievedNearly half the target in less than 4 years

India’s First Quantum Computer

DetailInformation
Launch DateApril 14, 2026
LocationAmaravati, Andhra Pradesh
ProjectAmaravati Quantum Valley (AQV)
GoalPosition Andhra Pradesh among top 5 global quantum technology hubs by 2030

Quantum and AI Sovereignty

Statement by Dr. Jitendra SinghSignificance
“Quantum and AI sovereignty, along with indigenous ecosystems will define India’s next-generation growth”Highlights government’s focus on deep-tech self-reliance

Post-Quantum Cryptography

ThreatSolution
Emerging quantum computing capabilities may challenge existing cryptographic systems in banking, governance, telecomNeed for Post-Quantum Cryptography, Quantum Key Distribution, Quantum-Safe Infrastructure

Report Released

Report NameFocus
“Quantum-Safe Ecosystem in India”National preparedness for “Q-Day” when current encryption becomes vulnerable

💰 SECTION 7: RESEARCH, DEVELOPMENT & INNOVATION (RDI) FUND

Overview

DetailInformation
SchemeResearch, Development and Innovation (RDI) Fund
MinistryMinistry of Science & Technology (via Technology Development Board)
AimAccelerate private sector participation in R&D
Total Proposals Received124 projects
Project DemandOver ₹25,000 crore
First Fund Disbursement₹50 crore to M/s Eyestem Research Pvt. Ltd.

Five High-Impact RDI Projects (May 2026)

CompanyProjectSector
M/s e-TRNL Energy Pvt. Ltd. (Maharashtra)Advanced Lithium-ion battery cells with patented 3D Electrode Architecture (3DEA) technologyEnergy
M/s Dhruva Space Pvt. Ltd. (Hyderabad)“Project Garud” – 500 kg-class modular satellite platform for mass productionSpace Technology
M/s Eyestem Research Pvt. Ltd. (Bengaluru)Cell therapies for Geographic Atrophy & Idiopathic Pulmonary FibrosisHealthcare/Biotechnology
M/s Noccarc Robotics Pvt. Ltd. (Uttar Pradesh)Intelligent Mobile Life Support System (iMLSS) – portable ICU platformHealthcare
M/s Endure Air Systems Pvt. Ltd. (Noida)“Project Sabal-200” – indigenous unmanned helicopter (>200 kg payload)Aerospace/Defence

Bharat Innovates 2026

DetailInformation
EventGlobal showcase of India’s Technology Innovation
VenueNice, France
MonthJune 2026
Participants15 selected companies from nationwide search

🌕 SECTION 8: NASA – ARTEMIS II MISSION

Mission Details

FeatureInformation
Launch DateApril 1, 2026
Launch VehicleSpace Launch System (SLS) rocket
Launch SiteKennedy Space Center, Florida, USA
Mission TypeFirst crewed lunar mission since Apollo 17 (1972) – lunar flyby, no landing
Mission Duration10 days

Artemis II Crew

AstronautCountryRoleHistoric Significance
Reid WisemanUSACommander
Victor GloverUSAPilotFirst Black astronaut assigned to a lunar mission
Christina KochUSAMission SpecialistFirst woman to travel beyond low-Earth orbit toward the Moon
Jeremy HansenCanadaMission SpecialistFirst Canadian astronaut to travel beyond Earth orbit

Mission Objectives

ObjectivePurpose
Test life-support systemsValidate systems for future lunar landings
Test spacecraft performanceOrion’s capabilities in deep space
Test deep-space navigationPave way for Artemis III (lunar landing)

🏢 SECTION 9: KEY ORGANISATIONS & PERSONALITIES

ISRO Leadership (2026)

PositionCurrent Head
Chairman, ISRODr. V. Narayanan

DRDO Leadership (2026)

PositionCurrent Head
Chairman, DRDODr. Samir V. Kamat
Secretary, Department of Defence R&DDr. Samir V. Kamat

Department of Space (2026)

DetailInformation
Annual Report2025-26 released April 29, 2026

Ministry of Science & Technology (2026)

PositionCurrent Head
Minister of State (Independent Charge)Dr. Jitendra Singh
Principal Scientific AdviserProf. Ajay Kumar Sood
Secretary, DST & Chairperson, TDBProf. Abhay Karandikar
Secretary, Technology Development Board (TDB)Shri Rajesh Kumar Pathak

🚨 SECTION 10: VERY IMPORTANT ONE-LINERS

ISRO & Space Missions

FactDetail
ISRO ChairmanDr. V. Narayanan
DRDO ChairmanDr. Samir V. Kamat
First uncrewed Gaganyaan mission (G-1)Scheduled for August-September 2026
First crewed Gaganyaan mission (H-1)2027 target
VyommitraHalf-humanoid robot for G-1 mission
India aims to become4th nation to independently launch humans into space
NGLVNext Generation Launch Vehicle (reusable technology)

Indian Moon Missions

FactDetail
Chandrayaan-1Discovered water molecules on Moon (2008)
Chandrayaan-3First successful soft landing near Moon’s South Pole (2023)
Chandrayaan-3 rover weight25 kg; operated for 14 days
Chandrayaan-4India’s first lunar sample return mission; target 2028
Chandrayaan-4 landing siteMons Mouton (MM-4) near Moon’s South Pole
Chandrayaan-5 rover weightApproximately 350 kg
Chandrayaan-5 mission lifeTarget of 100 days
Indian Space StationTarget 2035
Indian astronaut on MoonTarget 2040

DRDO & Defence Technology

FactDetail
MIRV technologyDemonstrated on May 8, 2026 (Agni missile)
Scramjet test durationOver 1,200 seconds
TARAIndia’s first indigenous modular glide weapon
NASM-SRNaval Anti-ship Missile-Short Range (maiden salvo launch, April 2026)
ULPGM-V3UAV Launched Precision Guided Missile (Air-to-Ground + Air-to-Air modes)

Quantum Technology

FactDetail
India’s first quantum computerLaunched April 14, 2026 in Amaravati, Andhra Pradesh
National Quantum Mission target2,000 km quantum-secure communication (nearly half achieved in 4 years)

RDI Fund

FactDetail
RDI Fund₹25,000 crore project demand, 124 proposals
First Fund Disbursement₹50 crore to M/s Eyestem Research Pvt. Ltd.

NASA Artemis II

FactDetail
Artemis II launchedApril 1, 2026
Mission typeFirst crewed lunar mission since Apollo 17 (1972)
First Black astronaut on lunar missionVictor Glover
First woman to Moon vicinityChristina Koch
First Canadian beyond Earth orbitJeremy Hansen

📊 QUICK REVISION TABLE FOR EXAMS

CategoryKey Fact
ISRO ChairmanDr. V. Narayanan
DRDO ChairmanDr. Samir V. Kamat
Gaganyaan G-1 LaunchAugust-September 2026
Gaganyaan H-1 Launch2027 target
VyommitraHalf-humanoid robot for G-1
HLVM3 StatusQualified and ready
ISRO Missions 2026-2727 total missions
Chandrayaan-1Discovered water on Moon (2008)
Chandrayaan-3First South Pole soft landing (2023)
Chandrayaan-4Sample return mission (2028 target)
Chandrayaan-5 rover350 kg; 100-day mission life
Indian Space Station2035 target
Indian Moon Landing2040 target
MIRV Test DateMay 8, 2026
Scramjet Test Duration1,200+ seconds
India’s First Quantum ComputerApril 14, 2026 (Amaravati)
RDI Fund Disbursement₹50 crore (first tranche)
Artemis II LaunchApril 1, 2026
NASA’s Last Moon Mission Before Artemis IIApollo 17 (1972)

“Live as if you were to die tomorrow. Learn as if you were to live forever.” – Mahatma Gandhi