India-US trade deal: After months of tariff-related tensions, India and the US have announced a trade agreement, and with that, tariffs on New Delhi have been brought down to 18 per cent. US President Donald Trump, announcing the agreement, stated that it would be effective immediately. India-US trade deal: After months of tariff-related tensions, India and the US have announced a trade agreement, and with that, tariffs on New Delhi have been brought down to 18 per cent. US President Donald Trump, announcing the agreement, stated that it would be effective immediately.