India has postponed a high-stakes trade mission to the US after the US Supreme Court struck down much of Donald Trump’s tariff regime.

The three-day trip was due to begin on Monday, with Indian and US negotiators aiming to finalise a much-vaunted interim trade agreement between the two countries.

But both sides have agreed to call off the plans after a ruling by the US Supreme Court on Friday that found key elements of former president Donald Trump’s sweeping tariff programme had been improperly imposed under emergency powers.

Officials familiar with the matter have said that the visit to Washington will now be rescheduled to allow both sides to assess the implications of the court’s decision and how it will impact the emerging deal.

“The decision to defer the visit was taken after discussions between officials of the two countries,” the source, speaking under conditions of anonymity, told Reuters. “No new date for the visit has been decided.”

On Friday, Trump said he would impose a new global tariff regime under alternative powers. Initially, he announced a 10 per cent levy, and then on Saturday raised it to 15 per cent.