India, Aug. 7 -- A senior Indian diplomat on Thursday said negotiations are still going on between India and the US, a day after President Donald Trump doubled American tariffs to 50%.

The Trump administration stunned India late on Wednesday with an executive order slapping an additional 25% tariffs for importing oil from Russia, which takes the overall tariff on Indian goods to 50%.

Dammu Ravi, secretary for economic relations in the ministry of external affairs, told reporters the tariff hike was a "unilateral decision" devoid of any logic or reason.

"This is a unilateral decision. I don't think there is any logic or reason in the way it is done," news agency PTI quoted Dammu Ravi as saying.

"Perhaps, this is a phase we have to over...