Answer: Machkund River
Notes: The Jalaput Dam is a hydroelectric dam built on the Machkund River, a tributary of the Godavari River, and stands as a boundary between the states of Odisha and Andhra Pradesh. The dam is situated near Ondra Gadda in the district of Visakhapatnam and is placed along the Mudugal hills. It has a steep fall along it known as the Duduma Falls. It impounds 34.273 Tmcft of water for the needs of down stream 120 MW Machkund Hydro-Electric Scheme (MHES), which is in operation since 1955.
