UPSC Prelims Current Affairs for 29 August 2026

UPSC Prelims Current Affairs for 29 August 2026 brings together the news items of the day that map to the Prelims syllabus — polity, economy, environment, science and technology, and international relations. Each item is written as a factual pointer you can revise quickly, with the static-syllabus link made explicit so the reading feeds directly into your Prelims notes.

3 articles

OBC Creamy Layer

OBC reservation: The Central Government provides 27% reservation to OBCs in direct recruitment to Central Government services and admissions to Central educational institutions, subject to applicable rules. Creamy Layer: The relatively socially/economically advanced section among OBCs that is excluded from the benefit of OBC reservation. Constitutional Basis: The principle emerged from the Supreme Court’s interpretation…

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Trishuli River

Trishuli River is a major transboundary Himalayan river flowing through Tibet (China) and Nepal. It originates in the Tibetan Plateau and enters Nepal through the Himalayas. In Nepal, it flows through the Trishuli Valley. It is one of the important tributaries of the Gandaki (Narayani) River system. The Trishuli joins the Seti Gandaki near Devghat,…

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Glacial Lake Outburst Flood (GLOF)

Definition: A GLOF is the sudden release of a large volume of water from a glacial lake, generally due to failure, overtopping or breaching of its natural dam. Natural Dam: The lake may be impounded by moraine, glacier ice or bedrock. Triggers: Ice/rock avalanche into the lake Landslide Heavy rainfall Earthquake Rapid glacier melting Failure/erosion…

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