Q. Which hill range in Andhra Pradesh separates the Penna River basin from the Krishna River basin?
Answer:
Erramala Hills
Notes: Erramala Hills, a low hill range in Kurnool and Nandyal districts of Andhra Pradesh, run east-west on the Deccan plateau, separating Penna River basin (south) from Krishna River basin (north), extending into Kadapa district near the Penna basin.