The chopper was carrying at least 7 passengers and 2 pilots and at least 5 have been saved from the sea-water so far.The rescue was carried out by ONGC vessel Malviya-16 and a boat from the oil rig Sagar Kiran, while the Indian Coast Guard has also deployed its aerial and marine assets in the efforts.
The cause of the emergency landing on water is not immediately clear and rescue operations are underway, said an ONGC official.
IANS
