India, Aug. 28 -- India's stock market showed effects of the highest US tariff on the world's fourth largest economy, with equity benchmarks declining at the opening bell today.

At 9:45 am, the S&P BSE Sensex was down over 467 points, or 0.56%, at 80,323.75 points, while the broader Nifty 50 fell 0.56% to 24,574 points. Fourteen of the 16 major sectors logged losses. The broader small-cap and midcap indices were 0.2% and 0.1%, respectively.

According to analysts, markets are facing significant headwinds after the US implemented the extra 25% tariff on Indian goods over New Delhi's purchase of Russian oil, taking the total tariffs to 50%.

"This measure has already triggered a sharp selloff and is expected to maintain pressure on the mar...