Complex sentence: Valvil Ori, the Vettuva Gounder ruler, who ruled the Kolli Hills during the Sangam period, around 200 A.D. He is praised as one of the seven great philanthropists of ancient Tamil Nadu.
Split into simpler sentences: Valvil Ori, the Vettuva Gounder ruler, who ruled the Kolli Hills during the sangam period. The region was ruled by Valvil Ori around 200 A.D., who is praised as one of the seven great philanthropists of ancient Tamil Nadu.