Musi River is a tributary of the Krishna River in the Deccan Plateau flowing through Telangana state in India. Hyderabad stands on the banks of Musi river, which divides the historic old city with the new city. Himayat Sagar and Osman Sagar are dams built on it which used to act as source of water for Hyderabad. It was known as Muchukunda river in olden days, and the precise reason for the change of name is not known.