Operation Sagar Bandhu: Chetak helicopters from INS Vikrant used in rescue ops in Sri Lanka … said that two Chetak helicopters from INS Vikrant took … . Jaishankar added that the helicopters had Sri Lanka Air Force … Sagar Bandhu: Two Chetak helicopters from INS Vikrant took off … families, while two Chetak helicopters from Vikrant have joined Sri …