New Delhi, Oct. 17 -- US President Donald Trump's decision to waive tariff penalties linked to purchases of Russian oil gives India temporary relief but offers no lasting certainty, with Washington retaining the option to reinstate the duties, the Global Trade Research Initiative (GTRI) said on Saturday.

The think tank said, "The move gives India relief from threatened additional duties of up to 100 per cent linked to Russian oil purchases. But the relief is reversible. Washington can restore the tariffs anytime, leaving India and other buyers uncertain about future U.S. action."

In an executive order issued on October 16, Trump invoked provisions of the newly enacted Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 (SRIA) to w...