Raichur is a city municipality in the district of Raichur in the south indian state of Karnataka, Raichur, located between the Tungabhadra rivers and Krishna, named after and worshiped as the eighth avatar of the which god?
Raichur:  Raichur, located between Krishna and Tungabhadra rivers, is the headquarters of Raichur district. Krishna:  He is worshiped as the eighth avatar of the god Vishnu and also as the supreme God in his own right.
Vishnu