Ramping up pressure ahead of the expected arrival in India of US trade negotiators on August 25, President Donald Trump Wednesday doubled the tariffs on India to 50 per cent, but opened a 21-day window before the additional tariff of 25 per cent kicks in.

WASHINGTON/NEW DELHI, Aug 6 (Reuters) - U.S. President Donald Trump on Wednesday imposed an additional 25% tariff on Indian goods, citing New Delhi's continued imports of Russian oil in a move that sharply escalated tensions between the two nations after trade talks reached a deadlock.

But less than six months later, the relationship appears to have hit rock bottom. Trump has now imposed a total of 50% tariffs on goods imported from India, and his earlier threat of levying an extra 10% for the country's membership in the Brics grouping,