Indian Polity PYQs 2013–2025 — Chapter-Wise Solved
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UPSC Prelims Environment PYQs 2013–2025 — Solved
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Sustainable Agriculture & GM Crops — UPSC Notes 2026
Sustainable Agriculture · ZBNF · Organic Farming · GM Crops · Modern Agriculture | UPSC | Legacy IAS UPSC Prelims + Mains · GS Paper III · Agriculture · Environment · Current Affairs 2024–25 Sustainable Agriculture · ZBNF · Organic Farming · GM Crops 🌱 NMNF Nov 2024 (₹2,481 crore) · PKVY · MOVCDNER · […]
India’s Green Revolution MS Swaminathan – UPSC Notes
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Cleaner Fuels — Methanol to Biogas UPSC Notes 2026
Cleaner Fuels — Methanol, LPG, LNG, CNG, Biogas | UPSC | Legacy IAS Bangalore UPSC Prelims + Mains · Energy · Environment · GS Paper III · Current Affairs 2024–2025 Cleaner Fuels of India ⚡Methanol · LPG · LNG · CNG · Biogas Methanol Economy (NITI Aayog) · DME as LPG alternative (BIS IS 18698:2024) […]
Hydrogen Economy & Green Hydrogen — UPSC Notes 2026
Hydrogen Economy | Green Hydrogen | NGHM | Fuel Cells | UPSC | Legacy IAS UPSC Prelims + Mains · Science & Technology · Energy · GS Paper III · Current Affairs 2024–2025 The Hydrogen Economy ⚡ How Fuel Cells Work · Hydrogen Colour Wheel · Advantages & Disadvantages · National Green Hydrogen Mission (NGHM) […]
Biofuels & National Biofuel Policy — UPSC Notes 2026
Biofuels | Generations | National Biofuel Policy | E20 Achieved 2025 | UPSC PYQs | Legacy IAS UPSC Prelims + Mains · Energy · Environment · GS Paper III + Current Affairs 2024–2025 Biofuels 🌾 — Generations, Policy & India’s E20 Milestone 4 Generations of Biofuels · Bioethanol | Biodiesel | Biogas | SAF · […]
Tiger, Leopard & Elephant Population by State – UPSC Notes
Tiger, Leopard & Elephant Population by State | UPSC Data | Legacy IAS UPSC Prelims Data Sheet · Wildlife Censuses · Environment · GS Paper III Tiger 🐯 Leopard 🐆 Elephant 🐘Population by State — India Tiger Census 2022 (3,682 total) · Leopard Report Feb 2024 (13,874) · Elephant SAIEE DNA Census Oct 2025 (22,446) […]
Elephant Reserves of India — Project Elephant UPSC Notes
Elephant Reserves of India | Project Elephant | DNA Census 2025 | UPSC | Legacy IAS UPSC Prelims + Mains · Environment · Current Affairs 2024–2025 Elephant Reserves of India 🐘 33 Elephant Reserves · 14 States · 80,778 sq km · Project Elephant 1992 · SAIEE DNA Census 2025: 22,446 elephants (first-ever DNA-based census) […]
Biosphere Reserves of India & World Heritage Sites – UPSC Notes
Biosphere Reserves of India | Natural World Heritage Sites | UPSC | Legacy IAS UPSC Prelims + Mains · Environment · Biodiversity · WHC · Current Affairs 2025 Biosphere Reserves & Natural World Heritage Sites 🌍 India: 18 Biosphere Reserves · 13 UNESCO-recognized (as of Sept 2025) · Cold Desert BR = India’s 13th UNESCO […]