Passage: The Tungabhadra River  is a river in India that starts and flows through the state of Karnataka during most of its course, before flowing along the border between Karnataka, Telangana and Andhra Pradesh and ultimately joining the Krishna River near Alampur village in Mehaboobnagar District of Telangana. In the epic Ramayana, the Tungabhadra River was known by the name of Pampa.

Question: In which ancient Hindu scripture is the Pampa river mentioned?
Ramayana