Sellathambu nemamwe maMP ose eTULF vakaramba Paramende kubva pakati pa1983 nokuda kwezvikonzero zvinoverengeka: vakanga vari pasi pezvinetso zvevarwi veTamil veSri Lankan kuti varege kuramba vari muParamende kupfuura nguva yavo yemakore matanhatu; Kugadziriswa kweChitanhatu kweMutemo weSri Lanka kwaida kuti vapike mhiko vachirega zvachose kutsigira nyika yakaparadzana; uye Black July
mhirizhonga umo vaTamil vanosvika 3 000 vakaurawa nemhomho dzevaSinhalese. Pashure pemwedzi mitatu yokusavapo, Sellathambu akarasikirwa nechigaro chake muParamende pana 21 October 1983. Sellathambu akafa muna March 1984 pazera remakore 66.