Tarsem Singh Purewal was 60 years old when he was shot and killed at point-blank range , by unknown attackers , on the street outside his London Office on January 24 , 1995 . Purewal was a possible witness in the Air India trial but was gunned down before the trial . He had also published articles accusing Jasbir Singh Rode , who was general secretary of the International Sikh Youth Federation , of stealing public funds
Air India trial
Air India Flight 182
Tarsem Singh Purewal