sentences:  Within one of the four Army Commando Regiments there is a 140-man counter-terrorist unit that provides the primary counter-terrorism response for Sri Lanka.This unit was created in 1980 and is based in Ganemulla, a suburb of Colombo.In 1977 Lt. General J.E.D Perera, founder of Commandos, issued a call to combating terrorism in Sri Lanka, a decision was made by the Army HQ to raise a special counter-terrorist unit.