Sebastian Britto Breezlin Sahayaraj is one among six Indian crew who have gone missing in the Kerch Strait, after two fuel ships carrying Indian and Turkish crew members caught fire five days ago.
The Tanzanian ship he was working caught fire while transferring fuel from another vessel, in the Black Sea in Russia on Monday.
According to the Russian Maritime Agency overseeing the rescue operations, at least 10 sailors died in the incident on Monday while 12 were rescued and nine are still missing.
During the three-year project, researchers used specialist remote deep-water camera systems previously used in offshore oil and gas exploration to map the sea floor.
PM Narendra Modi today arrived in Russia's Black Sea coastal city Sochi for an informal summit with Vladimir Putin.