Which one of the following battles weakened Vijaynagara kingdom?

Battle of Talikotta Battle of Panipat Battle of Mysore Battle of Travancore

Battle of Talikotta

The correct answer is the Battle of Talikota. The Battle of Talikota (26 January 1565) was a watershed battle fought between the Vijaynagara Empire and the Deccan sultanates. It ended in the defeat of Vijaynagara, resulting in its subsequent weakening.