 When a civil war broke out in 975, Chavundaraya supported the cause of Prince Rachamalla IV and installed him on the throne.Chavundaraya suppressed a rebellion made by Panchaldeva Mahasamanta in 975 AD and slew Mudurachayya (who held the titles "Chaladanka Ganga" and "Gangarabanta") in the battle of Bageyur.He thus avenged the death of his brother Nagavarma by Mudurachayya.