 He was probably one of the few Chola commanders to have survived the battle of Takkolam in 948/49 AD.Kumaran is best known for engraving his own tragic autobiography in an inscription at Tiruvotriyur, Madras (around 10 years after he had become an ascetic).Kumaran was the son of Rajasekhara, the chieftain of Valluvanatu in Kerala.