Tehri Dam, the highest dam in India, is built on which river?
a) Yamuna
b) Bhagirathi
c) Alaknanda
d) Sutlej
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Answer: b) Bhagirathi
Explanation
- Tehri Dam: Standing at a height of 260.5 meters (855 feet), Tehri Dam is the highest dam in India and ranks among the highest dams in the world.
- Location & River: Built on the Bhagirathi River at New Tehri in the Tehri Garhwal district of Uttarakhand.
- Key Features: It is an earth and rock-fill embankment dam that forms the massive Swami Ramtirtha Nagar Reservoir (Tehri Lake). It provides hydroelectric power generation, municipal water supply, and irrigation to northern states.
Overview of Other Options
- a) Yamuna: Major tributaries have dams like the Lakhwar Dam (under construction on the Yamuna) and the Hathnikund Barrage.
- c) Alaknanda: Flows parallel through Uttarakhand to join the Bhagirathi at Devprayag; home to hydroelectric projects like the Vishnuprayag Hydroelectric Project.
- d) Sutlej: Home to the Bhakra Dam, which is India’s highest straight gravity dam (226 meters).
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