After the death of Achyuta Deva Raya, the succession was disputed. His son, Venkata I also called as Venkata Raya or Venkatadri Raya, succeeded him, but he was a weak ruler and was killed six months later.
Battle of Chausa was fought near Buxar. Humayun was badly defeated and Sher Khan adopted the title of Sher Shah. Humayun barely escaped with his life from the battle field.