New Delhi, Aug. 30 -- As an appeals court in the US dealt a major blow to Donald Trump's tariff strategy, ruling in a 7-4 decision that the president exceeded his authority under the International Emergency Economic Powers Act (IEEPA), all now hinges on the US Supreme Court ruling.

The US Supreme Court is expected to take up the case in the second half of October. An appeal is expected to be made by the Donald Trump administration, and the Supreme Court will subsequently decide whether the invocation of the International Emergency Economic Powers Act (IEEPA) for the imposition of tariffs is upheld.

The Friday judgment by the US Court of Appeals for the Federal Circuit upholds an earlier ruling by the US Court of International Trade, dat...