Washington has tied future sanctions relief to major Iranian concessions, while keeping diplomatic channels open amid continuing negotiations over Tehran's nuclear programme.
Marco Rubio used his India tour to reinforce Washington’s ties with New Delhi while speaking on Iran, Pakistan and cultural diplomacy during his Taj Mahal visit.
Trump said the US would not rush negotiations with Iran even as White House officials expressed optimism that a proposed agreement could move closer within days.
As the ceasefire deadline approaches, Washington and Tehran are still split on talks, shipping pressure is rising in Hormuz, and India is tracking risks to seafarers.
Trump projects breakthrough in Iran talks with uranium removal plan, but Tehran pushes back hard, rejecting any agreement and questioning US claims amid rising regional tensions.
The latest sanctions are part of the US campaign to maximize economic pressure on Iran, the Department added.
Iran started withdrawal from parts of its obligations under the deal in two intervals since May 2019, one year after Washington's withdrawal from the deal.
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.
