Indian equity indices ended on a negative note on March 12, with the Nifty closing below the 23,700 mark. At close, the Sensex was down 829.29 points or 1.08 percent at 76,034.42, and the Nifty was down 227.70 points or 0.95 percent at 23,639.15. About 1653 shares advanced, 2401 shares declined, and 159 shares unchanged.