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The Hirakud Dam is built on which river?
- Godavari
- Mahanadi
- Krishna
- Cauvery
Answer: Mahanadi
The Hirakud Dam, one of the longest dams in the world (25.8 km), is built on the Mahanadi River in Odisha. Commissioned in 1957, it provides irrigation, flood control, and hydroelectric power. It created the Hirakud Reservoir, which supports diverse wildlife.