SIMBEX 2026: India–Singapore Maritime Cooperation
SIMBEX 2026 connects a naval exercise with wider questions of bilateral cooperation. Understand interoperability, defence diplomacy and the…
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Articles in UPSC CSE (100)
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Plate Tectonics: Boundaries, Earthquakes and Mountains
Why do mountains, ocean trenches and earthquakes occur in belts? Learn how lithospheric plates move, how divergent, convergent and transfor…
Green Diwali 2026: Clean Air and Governance for UPSC
The Green Diwali campaign offers a useful way to connect festival choices with year-round air pollution control. Understand particulate mat…
CRISPR-Cas9 Gene Editing: How It Works and Its Limits
CRISPR-Cas9 is a programmable gene-editing system built from a guide RNA and a DNA-cutting protein. Learn how targeting and cellular repair…
Children’s Internet Rights and Online Safety: Supreme Court Order
The Supreme Court’s October 2026 order connects children’s internet access with fundamental rights and online safety. Understand why blanke…
Inflation in India: CPI, WPI and GDP Deflator
Inflation is not a single price rise. Learn how India’s CPI, WPI and GDP deflator differ in coverage, weights and purpose, how to read base…
Buddhist Councils: How the Canon Was Preserved
Buddhist councils are remembered as assemblies for reciting, organising and preserving the Buddha’s teachings and monastic discipline. This…
Western Disturbances: Why North India Gets Winter Rain
Western disturbances are mid-latitude weather systems that bring much of northwest India’s winter rain and Himalayan snow. Learn how the we…
Indian River Systems: Himalayan and Peninsular Rivers
India’s drainage is shaped by relief, rock structure, climate and the history of landforms. Compare Himalayan and Peninsular river systems,…
Money Bills under Article 110: Rules, Process and Limits
Article 110 gives a narrow constitutional test for identifying a Money Bill, while Article 109 sets out the special route through Parliamen…
Mauryan Administration: Structure, Sources and Limits
Explore how the Mauryan Empire governed a large and diverse territory through a royal centre, provincial hubs, officials, revenue systems a…
Fundamental Duties in India: Article 51A Explained
Fundamental Duties under Article 51A describe the responsibilities of citizens in India’s constitutional democracy. Learn their origin, all…