Q. Which river forms the boundary between Khammam district of Telangana and West Godavari district of Andhra Pradesh?
Answer:
Yerrakaluvaa River
Notes: Yerrakaluvaa river forms the boundary between Khammam (Telangana) and West Godavari (Andhra Pradesh). It drains into Upputeru river near Mogultur. The Yerra Kaluva Reservoir, an earthen dam built in 1976, irrigates 9,996 ha across multiple mandals in West Godavari.