Mumbai, July 22 -- Indian equity benchmark indices closed lower on Wednesday as surging crude oil prices and fresh concerns over US tariffs on generic drug imports weighed on investor sentiment.

The BSE Sensex ended the session at 76,749.60, down 720.51 points or 0.93 per cent, while the Nifty 50 closed at 23,996.25, falling 191.45 points or 0.79 per cent.

According to market experts, concerns over rising geopolitical tensions, higher crude oil prices, pressure on the rupee and uncertainty over proposed US tariffs on pharmaceutical exports led to broad-based selling during the session.

Vinod Nair, Head of Research at Geojit Investments Limited, said, "Indian equities ended lower as the ongoing US-Iran standoff and Houthi-led disruption...