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Study Notes

Everything published under Study Notes on Anantam IAS, newest first.

3454 articles

A total solar eclipse with the Sun's white corona streaming around the black lunar disc
15 Jul 2026General Studies, Geography, GS I, Science & Tech

Solar Eclipse: The Science, Types and Safety

A solar eclipse happens when the Moon blocks the Sun. Why totality works, the four types, why eclipses skip most new moons, and how…

Misty jungle canopy and a winding river in Vietnam at dawn
15 Jul 2026General Studies, GS I, International Relations, World History

Vietnam War: Causes, Course and Consequences

The Vietnam War explained: French Indochina and Dien Bien Phu, the 17th parallel, the Gulf of Tonkin, Tet 1968, the Paris Accords and the…

Daylight falling between iron bars onto a stone floor with an open doorway beyond
15 Jul 2026Constitutional and Statutory Bodies, General Studies, GS II, Indian Polity

Habeas Corpus: The Writ That Protects Personal Liberty

Habeas corpus explained: what the writ means, Articles 32 and 226, who can file it, the ADM Jabalpur case, Justice Khanna's dissent, and the…

An antique brass balance scale on a desk in a dim law chamber
15 Jul 2026General Studies, Governance, GS II, Indian Polity

Doctrine of Colourable Legislation: Explained

The doctrine of colourable legislation explained: what cannot be done directly cannot be done indirectly, the Article 246 basis, the substance test, and key…

A Kerala temple gopuram and tiled roofs beside a still temple tank at golden hour
15 Jul 2026Art and Culture, General Studies, GS I, Indian History

Padmanabhaswamy Temple: History, Architecture and the Vaults

Sree Padmanabhaswamy Temple, Thiruvananthapuram: the reclining Vishnu, Kerala-Dravidian architecture, the Trippadidanam of 1750, the sealed vaults, and the Supreme Court ruling.

The Virupaksha temple gopuram rising above the granite boulders of Hampi at sunrise
15 Jul 2026Art and Culture, General Studies, GS I, Indian History

Virupaksha Temple, Hampi: The Living Temple of Vijayanagara

Virupaksha Temple, Hampi: a Shiva temple in unbroken worship since the 7th century. Its 50-metre gopuram, Krishnadevaraya's painted hall, and the inverted-shadow effect, explained.

A tanpura and tabla resting in a dim performance hall under warm lamp light
15 Jul 2026Art and Culture, General Studies, GS I

Raga Bilawal: The Natural Scale of Hindustani Music

Raga Bilawal uses all seven natural notes and names the first of Bhatkhande's ten thaats. Its aroha, avaroha, vadi, samvadi, time, mood and Carnatic…

A young green sapling growing in dark soil, backlit by morning sun
15 Jul 2026Environment & Ecology, General Studies, GS III, Reports and Indices

World Environment Day: History, Themes and India’s Role

World Environment Day, observed on 5 June since 1974, led by UNEP. Its Stockholm 1972 origin, host-country and theme system, key campaigns and India's…

Spotted deer grazing at the edge of a dry deciduous Indian forest at dusk
15 Jul 2026Environment & Ecology, General Studies, Governance, GS III

State Wildlife Action Plan: What It Is and Why It Matters

A State Wildlife Action Plan turns the National Wildlife Action Plan into local conservation work. Its legal basis, components, funding and gaps, explained plainly.

A school science workbench with a hand-built model, gears and tools
15 Jul 2026Education, General Studies, GS III, Science & Tech

INSPIRE Award: Promoting Science Innovation in Schools

The INSPIRE Award (INSPIRE Awards MANAK) funds school students to turn original science ideas into working models. Here is how the scheme, pipeline, and…

A railway viaduct curving across a misty green valley in the Western Ghats
15 Jul 2026General Studies, Geography, GS III, Infrastructure

Konkan Railway: Engineering the Western Coast

The Konkan Railway runs 741 km from Roha to Thokur through Goa. Why it was India's hardest railway build, how KRCL financed it, and…