India, which now faces among the highest tariff rates imposed by the US, called the levy "unjustified and unreasonable".

U.S. President Donald Trump's tirade against India over trade and Russian oil purchases threatens to undo two decades of diplomatic progress, analysts and officials say, and could derail other areas of cooperation as domestic political pressures drive both sides to harden their stances.

President Donald Trump announced an additional 25% tariff on India as punishment for importing Russian oil, according to a document posted on the White House website — an escalation of his trade battle with New Delhi and his first use of so-called secondary sanctions on countries the US says are fueling Moscow’s war machine.