PrepLiberty.
Updated · Today
Home Topics Science & Technology
GS 3 · Paper Syllabus section · 1395 articles · Updated today

Science & Technology

Space, defence tech, biotechnology and digital infrastructure

April 2026 20 articles
08 08

IRDAI issues revised information and cyber security guidelines

The Insurance Regulatory and Development Authority of India (IRDAI) has issued revised Information and Cyber Security Guidelines, strengthening the cybersecu...

GS Paper 3 Science & Technology Economics 4m
08 08

NTPC inks MoU with Électricité de France for cooperation in nuclear power generation

NTPC Limited signed a non-binding Memorandum of Understanding (MoU) with Électricité de France (EDF) on April 8, 2026, to explore cooperation in developing n...

GS Paper 2 GS Paper 3 Science & Technology Economics International Relations 4m
08 08

​At long last: On Kalpakkam reactor criticality, India’s regulatory regime

India's Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu, achieved first criticality on April 6, 2026, marking a landmark in the country's nucl...

GS3 (Science & Technology Energy) Science & Technology Polity & Governance 6m
08 08

Army unveils first drone & munitions roadmap, lists 30 types of UAS, loitering munitions

The Indian Army released its first-ever comprehensive Technology Roadmap for Unmanned Aerial Systems (UAS) and Loitering Munitions on April 6, 2026. The near...

GS Paper III (Internal Security Science & Technology) Internal Security Science & Technology 4m
08 08

315 successful space launches in 2025, finds Indian Space Situational Assessment Report

The Indian Space Research Organisation (ISRO) released the Indian Space Situational Assessment Report (ISSAR) for 2025, revealing 315 successful space launch...

GS Paper 3 (Science & Technology Space Environment) Science & Technology International Relations 5m
08 08

CCEA approves ₹73,000 crores plus equity infusion for HPCL Rajasthan Refinery

The Cabinet Committee on Economic Affairs (CCEA) approved a revised project cost of ₹79,459 crore for HPCL Rajasthan Refinery Limited (HRRL), up from the ori...

GS3 (Infrastructure Energy security Petrochemicals) Economics Science & Technology 5m
08 08

India’s solar energy capacity crosses 150 GW

India's cumulative solar power installed capacity crossed 150 GW in March 2026, reaching 150.26 GW In FY2025-26 alone, solar installations totalled 44.61 GW ...

GS3 (Energy Environment Climate Policy) Economics Environment & Ecology Science & Technology 6m
08 08

India’s clean energy ambitions face critical minerals crunch

India's accelerating clean energy transition — driven by electric vehicles (EVs), battery storage, and renewable power — is creating a surge in demand for cr...

GS3 (Energy Environment Economy) Economics Environment & Ecology Science & Technology 6m
08 08

Security concerns push India to replace Chinese cameras at toll plazas

India has initiated a comprehensive replacement of Chinese-made surveillance cameras at top defence installations, replacing them with cameras from "trusted ...

GS Paper III (Internal Security Challenges to Internal Security) Internal Security Science & Technology 4m
08 08

India eyes higher farm output this year, confident of supporting global food supply amid uncertainty: DARE Secy Jat

The government expressed confidence in India's ability to support domestic demand for food commodities, backed by projections of record agricultural output i...

GS Paper 3 (Agriculture Food Security) Economics Science & Technology 3m
08 08

Launch date of first uncrewed mission of Gaganyaan to be announced soon: ISRO Chairperson

ISRO Chairperson V. Narayanan announced that the launch date for Gaganyaan's first uncrewed mission (G1) will be announced soon, following the completion of ...

GS3 (Science & Technology Space) Science & Technology 5m
08 08

Army Chief visits HAL, takes sortie in Prachand

General Upendra Dwivedi, Chief of the Army Staff (COAS), visited Hindustan Aeronautics Limited (HAL) in Bengaluru on April 8, 2026. He undertook a maiden sor...

GS Paper III (Internal Security Indigenisation of Technology) Internal Security Science & Technology 4m
08 08

Govt plans design, development of unmanned combat search and rescue aircraft

The government has envisioned the design and development of an Unmanned Combat Search and Rescue (UCSAR) aircraft for the Indian Air Force (IAF) The project ...

GS3 (Internal Security Science & Technology) Internal Security Science & Technology 4m
08 08

Civil society groups complain of growing censorship to IT Ministry

Several civil society organisations raised concerns about growing online censorship during a consultative meeting convened by the Ministry of Electronics and...

GS Paper 2 (Polity & Governance) GS Paper 3 (Science & Technology) Polity & Governance Science & Technology 6m
08 08

Why does India want fast breeder nuclear reactors? | Explained

India's 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu, achieved first criticality on 6 April 2026 — a historic milestone in India's ...

GS Paper 3 (Science & Technology Energy Security Indigenisation) Science & Technology 6m
08 08

India’s data centre electricity demand makes planners go back to drawing board to map new energy security playbook

The Central Electricity Authority (CEA) is revising its national electricity demand forecasts after discovering that concentrated data centre development in ...

GS Paper 3 (Science & Technology Energy Environment) Science & Technology Economics Environment & Ecology 4m
07 07

Kalpakkam fast breeder reactor attains criticality: why this is a ‘defining step’ in India’s 3-stage n-programme

The 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu achieved first criticality on April 6, 2026 at 8:25 PM The milestone marks India's...

GS Paper 3 (Science & Technology Energy Security) Science & Technology 5m
07 07

With INS Aridaman, India strengthens nuclear triad: What is it, its security significance

India commissioned INS Aridhaman, its third nuclear-powered ballistic missile submarine (SSBN), into the Indian Navy at Visakhapatnam on April 3, 2026 Aridha...

GS Paper 3 (Internal Security Science & Technology) Internal Security International Relations Science & Technology 3m
07 07

What is space-based solar power?

Space-Based Solar Power (SBSP) has emerged as a major frontier in clean energy research, with multiple countries accelerating development in 2026 Japan's JAX...

GS Paper 3 (Science & Technology Environment & Energy) Science & Technology 5m
07 07

EV sales surge 25% to 24.52 lakh units in FY26

India's total electric vehicle (EV) retail sales across all segments surged approximately 24.6–25% year-on-year to around 24.52 lakh units in FY2025-26. Elec...

GS Paper 3 (Science & Technology Environment Economy) Economics Science & Technology Environment & Ecology 4m
Display