High Quality Content by WIKIPEDIA articles! The Purus were a tribe, or a confederation of tribes, mentioned many times in the Rigveda, formed around 3180 BCE. RV 7.96.2 locates them at the banks of the Sarasvati River. There were several factions of Purus, one being the Bharatas. Purus rallied many other tribes against King Sudas of the Bharata, but were defeated in the Battle of the Ten Kings (RV 7.18, etc.,).