Shritharan alter moved to Vaddakkachchi, Kilinochchi District. He taught at several schools in Kilinochchi District and was principal of Kilinochchi Maha Vidyalayam.

Shritharan was one the Tamil National Alliance’s candidates for Jaffna District at the 2010 parliamentary election. He was elected and entered Parliament.[5] He was re-elected at the 2015 parliamentary election.