"The Indian Navy and the Indian Coast Guard are on their job. I am also going to Mumbai to coordinate things. I will discuss it with Defence Minister Nirmala Sitharaman. She is also cooperating and has instructed the Navy and the Coast Guard to look into the issue extensively," Pradhan said.
The bodies of four people have so far been fished out of the sea, near the debris of the helicopter.
Five ships, two Dornier and two helicopters have been deployed for search and rescue operations.
"Two Immediate Support Vessels (ISV)s deployed for patrolling in the area have been diverted for search and rescue operations along with three Coast Guard units. Seaking 42B helicopter is being launched in addition," a Navy spokesperson said.
The helicopter, V T PWA Dauphin, which took off from Juhu at 10.20 am, was scheduled to land at North Field of the ONGC at 10.58 am.
The cause behind the tragic incident is not yet known. (ANI)