On June 23 , 1985 : BKI militants bombed Air India Flight 182 going from Montreal , Canada to New Delhi , India . The Boeing 747 was destroyed in the bomb explosion at an altitude of 31,000 feet in Irish airspace and crashed into the Atlantic Ocean . All 329 passengers were killed , including 268 Canadian , 27 British and 24 Indian citizens . Parmar and Inderjit Singh Reyat were arrested by the Royal Canadian Mounted Police ( RCMP ) on explosive charges , linking the two to the Air India Flight 182 bombing and 1985 Narita International Airport bombing . Parmar was acquitted of all charges . Inderjit Singh Reyat admitted to building the bomb , was convicted in the Air India bombing . Reyat a member of the ISYF , was found guilty of manslaughter for making the bombs and had to spend more than 20 years in prison at Canada , and is the only individual convicted in these attacks as of 9 Feb 2009
Air India Flight 182
Air India Flight 182
Talwinder Singh Parmar