Hirakud is the world longest dam built across the river Mahanadi, about 15 km from Sambalpur in the state of Orissa in The indian subcontinent. It was first post independence major river valley project in India. The proposal of Hirakud dam was initiated by Sir M. Visveswararya in 1937 to tackle the problem of floods in the Mahanadi delta. Once you get starte...
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