Indian benchmark indices ended on a weak note with Nifty around 25,200 on September 22. At close, the Sensex was down 466.26 points or 0.56 percent at 82,159.97, and the Nifty was down 124.70 points or 0.49 percent at 25,202.35. About 1715 shares advanced, 2467 shares declined, and 149 shares unchanged.