The Hirakud Dam is built across the river _______.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Mahanadi
The Hirakud Dam, near Sambalpur in Odisha, is built across the Mahanadi. Completed in 1957, it is one of the longest earthen dams in the world (about 4.8 km of main dam) and serves irrigation and hydroelectric power, and flood control in the Mahanadi delta.