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).
The third Sangam was held at the present Madurai in Tamil Nadu. The third sangam had 449 poets and the important ones among them include Nakkirar, Iraiyanar, Kapilar, Paranar, Sattanar, Auvikyar etc.
After the death of Pravarasena, Rudrasena I the son of Gautamiputra succeeded his grandfather Pravarsena to the throne and ruled from Nandivardhana, near modern Nagpur. Sarvasena, another son of Pravarasena, started ruling independently from Vastugulma.