According to Rig Veda, the famous Dasrajan War was the interecine war of the Aryans. The Dasrajan war gives names of ten kings who participated in a war against Sudas who was Bharata king of Tritsus family. The ten kings were of the states of Purus, Yadus, Turvasas, Anus and Druhyus along with five others.The battle was fought on the bank of river Ravi in which Sudas emerged victorious.