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Everything published under Study Notes on Anantam IAS, newest first.
3454 articles
Achanakmar-Amarkantak Biosphere Reserve straddles Madhya Pradesh, Chhattisgarh, and Jharkhand on the Maikal range, the source of Narmada, Sone, and Johilla rivers. Full UPSC guide…
Olive Ridley turtles, the smallest sea turtle, nest in mass arribadas at Gahirmatha, Rushikulya, and Devi river mouth in Odisha. Full UPSC guide on…
Coal classification by carbon content in India: anthracite, bituminous, sub-bituminous, lignite, and peat. Detailed UPSC notes on calorific value, geological origin, major Indian coalfields,…
A complete UPSC GS-III explainer on the difference between cruise and ballistic missiles. Covers trajectory and altitude, rocket vs jet propulsion, guidance and detection,…
Orans are community-protected sacred groves of Rajasthan now legally recognised as forests by the Supreme Court under the Forest Conservation Act, 1980. Full UPSC…
A complete UPSC GS-III explainer on distributed energy resources. Covers rooftop solar, small wind, microturbines, biomass plants, fuel cells, battery energy storage, vehicle-to-grid, and…
A complete UPSC GS-III explainer on the submarine fleet of the Indian Navy. Covers the three diesel-electric classes (Kalvari, Sindhughosh, Shishumar), the Project-75 and…
A complete UPSC GS-III explainer on the OSIRIS-REx mission and its extension as OSIRIS-APEX. Covers the seven-year journey to asteroid Bennu, the touch-and-go sample…
A complete UPSC GS-III explainer on the major fuel types that move India's economy. Covers the chemistry and storage of LPG, LNG, CNG, and…
Khailis are traditional shallow earthen village ponds in Rajasthan that store monsoon rain for wildlife and livestock. Construction, comparison with Johad, Talab, Virda, Eri,…
Jim Corbett National Park explained — India's first national park (1936), Project Tiger launch site (1973), Patli Dun valley, Ramganga river, sal forests, and…
The Great Hornbill (Buceros bicornis) of the Western Ghats and North-East India: anatomy, casque, nesting sealing behaviour, IUCN Vulnerable status, and UPSC pointers.