Rajkot: As the sea turned rough, the Indian Coast Guard (ICG) evacuated 50 personnel from an oil rig located 40 km off the Dwarka coast in an overnight operation amid inclement weather conditions due to the cyclone. “India Coast Guard Region NorthWest evacuated 50 personnel from oil rig 'Key Singapore' 40 km seaward from Dwarka in seven sorties of overnight ops by ICG ALH aircraft and ship Shoor," the ICG said in a release.