The Hirakud Project harnesses the water of the ________ river.

The Hirakud Project harnesses the water of the Mahanadi river. The multi-purpose Hirakud Dam constructed across the river Mahanadi. The aim of this project was to control flood, supply water for irrigation purpose and hydropower power generation. The construction of dam was started as in 1940's. The first notification for the land acquisition was issued on 13 September 1946.