India, Feb. 25 -- Equity benchmark indices Sensex and Nifty tumbled more than 1 per cent on Tuesday, dragged down by heavy losses in IT stocks amid concerns over artificial intelligence-led disruption and renewed trade-related uncertainties.Rising global crude prices amid escalating US-Iran tensions and sluggish global cues also hit investor sentiment, traders said.

The 30-share BSE Sensex plummeted 1,068.74 points, or 1.28 per cent, to settle at 82,225.92. During the day, the benchmark plunged 1,359.93 points, or 1.63 per cent, to hit an intraday low of 81,934.73.

The 50-share NSE Nifty fell 288.35 points, or 1.12 per cent, to close at 25,424.65. In the intraday session, it depreciated by 385.4 points, or 1.49 per cent, to hit a low of...