Indian equity indices ended on strong note in the volatile session on February 2 with Nifty near 25,100. At close, the Sensex was up 943.52 points or 1.17 percent at 81,666.46, and the Nifty was up 262.95 points or 1.06 percent at 25,088.40. About 1919 shares advanced, 2166 shares declined, and 159 shares unchanged.