His real name was Rasaiah Parthipan and was born in Jaffna, Sri Lanka. His father Rasaiah was a school teacher. His mother died during his childhood and he was brought up by his single father. He was a popular student in Jaffna Hindu College, a prominent high school in Jaffna, before joining the LTTE. prior to the 1983 Black July progrom.
Rasaiah Parthipan joined the Liberation Tigers of Tamil Eelam in 1983 prior to Black July progrom. He was given the name Thileepan. He became the LTTE political wing leader of the Jaffna peninsula. He was a determined person making him fast till death.
Reasons for fast
On the 15th of September 1987 at 9.30 a.m at the Nallur Murugan Temple, Thileepan began his fast. His main objective was to bring awareness and action to a list of public demands made by himself and the Tamil Tigers, at a time when the relationship between the LTTE and the IPKF administration was deteriorating.