The epic tamil poem, Jivaka Cintamani (also known as Civaka Cintamani) is a Jain religious epic authored by jain saint Tiruttakrdeva. This epic is considered one of the classic epics of Sangam Literature. The poem means “fabulous gem”and is also known as Manannul (Book of Marriages).
According to the Chera poets, Senguttuvan was their greatest king. He is also known as the Red or Good Chera. He led many successful military expeditions. He has also been mentioned in the post-Sangam text, Silappadikaram.