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).
Viharas were for the purpose of living, Chaityas were assemblies for the purpose of discussions. Further, Chaityas were with Stupas, Viharas did not have stupas.