New Delhi, May 12 -- The Indian stock market extended its losses for the fourth consecutive trading session on Tuesday, with benchmark indices Sensex and Nifty 50 falling more than 1% each amid continued cautious investor sentiment.

The 30-share BSE Sensex plunged 1,024.97 points, or 1.35%, to trade at 74,990.31, while the 50-share NSE Nifty 50 was down by 289.25 points, or 1.21%, at 23,526.60. Over the last four sessions, the Sensex crashed more than 2,800 points, or over 3%, while the Nifty 50 has slipped below the crucial support level of 23,800.

The sell-off in the Indian stock market has been driven by concerns over the economic impact of persistently elevated crude oil prices amid the prolonged US-Iran war in the Middle East. Unce...