Also, 24 Indian crew members, who were on board shipping vessel 'Grace 1', which was detained by Gibraltar police authorities, are also under detention.
External Affairs Minister S Jaishankar said the Indian embassy in Tehran is in constant contact with the Iranian authorities to resolve the matter.
Meanwhile, Iran has opened an investigation into the tanker as it alleged that the ship collided with a fishing vessel in the Strait of Hormuz.
Earlier on Friday, the United Airlines suspended its services between New Jersey’s Newark and Mumbai.
Trump had ordered the military strike against Iran in retaliation to the downing of an American military drone by Tehran.
The US Federal Aviation Administration also issued an emergency order prohibiting US operators from flying in an overwater area of Tehran-controlled airspace over the Strait of Hormuz and the Gulf of Oman.
The Information Fusion Centre-Indian Ocean Region, set up in Gurgaon by the Indian Navy in December 2018, was also keeping a close watch on the movement of ships in the Gulf region.
According to reports, the tankers were struck in the same area where the US accused Iran of using naval mines to sabotage four other oil ships in an attack last month.
The benchmark crude prices have remained flat for most parts of June so far, even though tensions were simmering in the Gulf region.
The tankers were struck in the same area where the US accused Iran of using naval mines to sabotage four other oil ships in an attack last month, reports say.
