New Delhi, Aug. 7 -- The Indian stock market benchmark indices, Sensex and Nifty 50, are likely to open on a weak note Thursday, after the US President Donald Trump slapped an additional 25% tariff on imports from India, bringing the combined tariffs to 50%.

The trends on Gift Nifty also indicate a negative start for the Indian benchmark index. The Gift Nifty was trading around 24,594 level, a discount of nearly 40 points from the Nifty futures' previous close.

Trump imposed an additional 25% tariff on imports from India, due to the country's alleged direct and indirect import of oil from Russia, bringing the combined tariffs imposed to 50%.

On Wednesday, the domestic equity market ended lower after the Reserve Bank of India (RBI) anno...