Which among the following place was the area of contention between the Vijaynagar empire and the Bahmani Kingdom ?

Q. Which among the following place was the area of contention between the Vijaynagar empire and the Bahmani Kingdom ?
Answer: Raichur Doab
Notes: The conflict zone between Vijayanagar Empire and the Bahmani kingdom was Raichur Doab, the region between the rivers Krishna and Tungabhadra and also over the fertile areas of Krishna-Godavari delta.