Khusrau Shah hatched a conspiracy against Mubarak Shah. Khusrau Khan was one of the favorite of Mubarak Shah. Khusrau Shah got him murdered in 1320 and himself ascended the throne.
The Vijaynagar and the Brahmini kingdoms are always at war for various reasons. The delta region between Krishna and Tungabhadra along with Krishna Godavari delta is a major issue. It is a Marathawada country.