Benchmark indices Sensex and Nifty saw a gap-down opening on September 11 due to various reasons, including surging crude prices.
At 9:15 am, the Sensex was down 707.72 points or 0.94% at 74,194.87, and the Nifty was down 237.00 points or 1.01% at 23,240.80. About 749 shares advanced, 2,269 shares declined, and 137 shares were unchanged.
Fifteen of the 16 major sectors fell. The broader small-caps and mid-caps lost 1.1% each.
Brent crude soared to $108 per barrel as a widening Middle East war forced investors to flee risk assets.
Iran-aligned Houthis seized control of Yemen's port city of Mocha on Thursday and advanced down the Red Sea coast to strategic islands, military sources said, hours after President Donald Trump said he expected the Iran war to end after the U.S. midterm elections.