Indian benchmark indices ended lower in a volatile session on March 6, with the Nifty closing at 24,450. At close, the Sensex was down 1,097 points or 1.37 percent at 78,918.90, and the Nifty was down 315.45 points or 1.27 percent at 24,450.45. About 1813 shares advanced, 2217 shares declined, and 169 shares unchanged.