India’s Green Revolution MS Swaminathan – UPSC Notes
India’s Green Revolution (First & Second) | MS Swaminathan | BGREI | UPSC | Legacy IAS UPSC Prelims + Mains · GS Paper III · Agriculture · Current Affairs 2023–2025 India’s Green Revolution 🌾First, Second & Evergreen PL-480 humiliation → 1st GR 1965–78 (HYV seeds, Norman Borlaug, MS Swaminathan) → Record 330 MT foodgrains 2023-24 […]
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 […]
Wildlife Sanctuaries of India — UPSC Notes 2025
Wildlife Sanctuaries of India | 573 WLS 2025 | UPSC | Legacy IAS Bangalore UPSC Prelims + Mains · Environment · Biodiversity · Current Affairs 2024–2025 Wildlife Sanctuaries of India 🦚 573 Wildlife Sanctuaries as of March 2025 · 1,23,762 sq km · 3.76% of India’s land · WPA 1972 Chapter IV · IUCN Category […]
Tiger Reserves of India — Project Tiger UPSC Notes
Tiger Reserves of India | Project Tiger | NTCA | 58 Reserves 2025 | UPSC | Legacy IAS UPSC Prelims + Mains · Environment · GS Paper III · Current Affairs 2024–2025 Tiger Reserves of India 🐯 58 Tiger Reserves as of March 2025 · 84,500 sq km · 2.3% of India’s land · Project […]
National Parks of India — State-Wise UPSC Notes 2026
National Parks of India | State-Wise | UNESCO WHC | 107 Parks 2025 | UPSC | Legacy IAS UPSC Prelims + Mains · Environment · Geography · Current Affairs 2024–2025 National Parks of India 🌿 107 NPs as of April 2025 · Similipal = 107th NP (Odisha, April 2025) · Sikhna Jwhwlao = new Assam […]