Raichur (rĪˈchōr) [key], city (1991 pop. 170,577), Karnataka state, S central India. It is a district administrative center and a market for sesame, sorghum, cotton, pulses, and chilies. Copper and iron mines are nearby. An inscription on the old fort at Raichur states that it was built in 1294. The area around the town was frequently a battleground in early Indian history.