[1] Arulampalam stood as the All Ceylon Tamil Congress' candidate in Kopay at the 1952 and 1956 parliamentary elections but was defeated by the Illankai Tamil Arasu Kachchi (Federal Party) candidate C. Vanniasingam on both occasions.
[4][5][6] He eventually entered Parliament by winning the 1970 parliamentary election.
[7] He later defected to the governing Sri Lanka Freedom Party (SLFP) and voted for the new republican constitution.
[10][11] The SLFP government rewarded Arulampalam by making him Deputy Chairman of Committees in 1976.
[13] Arulampalam died on 5 March 1997 in Solano County, California, USA.