General Studies
Madam Bhikaji Cama: The First Indian to Unfurl the Tricolour Abroad
Madam Bhikaji Cama unfurled the first version of the Indian flag at Stuttgart in 1907. A UPSC-focused biography of her revolutionary life in exile.
Keep Reading →Longest Dam in India — Hirakud Dam, Types, and UPSC Notes
Hirakud Dam on the Mahanadi is India's longest dam at 4.8 km. Complete guide with dam types, major Indian dams table, and UPSC relevance.
Keep Reading →Loamy Soil: Composition, Characteristics, Crops, and Indian Distribution
Loamy soil is the ideal agricultural soil — a balanced mix of sand, silt, and clay. A UPSC guide to its composition, properties, crops, and Indian distribution.
Keep Reading →Lake Victoria: Africa’s Largest Lake, Source of the Nile, and Ecological Crisis
Lake Victoria is Africa's largest lake and the world's second-largest freshwater lake. A UPSC guide to geography, ecology, Nile perch, and basin politics.
Keep Reading →Koyna Dam: Maharashtra’s Largest Hydroelectric Project and Seismic Lessons
Koyna Dam on the Koyna River in Maharashtra is India's largest completed hydroelectric project and the site of the famous 1967 reservoir-induced earthquake.
Keep Reading →Korean War (1950–53) — Causes, Course and India’s Role
Korean War 1950-53 explained: UN intervention, India's mediation under Nehru, 38th parallel, armistice and the frozen North-South conflict.
Keep Reading →Khilji Dynasty — Rise, Reforms and Fall (1290–1320)
Khilji dynasty of Delhi Sultanate: Jalal-ud-din founder, Alauddin Khilji's market and military reforms, Malik Kafur's southern expeditions and decline.
Keep Reading →Kanwar Lake: Asia’s Largest Freshwater Oxbow Lake and a Ramsar Wetland
Kanwar Lake (Kabartal) in Bihar's Begusarai district is Asia's largest freshwater oxbow lake and a Ramsar site. A UPSC guide to its ecology, birds, and threats.
Keep Reading →Hooghly River: Distributary of the Ganga — Complete Guide
UPSC guide to the Hooghly River — Bhagirathi-Hooghly system, course, Farakka Barrage, Kolkata port, Ganga dolphin, and distributary dynamics.
Keep Reading →Gyan Bharatam Mission: Manuscript Preservation and India’s Knowledge Heritage
Gyan Bharatam Mission was announced in Union Budget 2025-26 to digitise and preserve over 1 crore Indian manuscripts. A complete UPSC guide to scope and significance.
Keep Reading →Golden Revolution and Horticulture Sector in India (UPSC Economy)
Golden Revolution expanded horticulture to 33% of agri-GVA on 14% of cropped area. Learn status, MIDH, challenges, and 2024-26 updates for UPSC GS-III.
Keep Reading →GDP Deflator — Formula, CPI vs WPI, and UPSC Notes
GDP Deflator measures economy-wide inflation as nominal GDP divided by real GDP. Complete UPSC guide with formula, CPI/WPI comparison, and India trends.
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