Indian equity indices ended on weak note with Nifty around 25,450 on February 19 amid selling across the sectors. At close, the Sensex was down 1,236.11 points or 1.48 percent at 82,498.14, and the Nifty was down 365 points or 1.41 percent at 25,454.35. About 1248 shares advanced, 2790 shares declined, and 149 shares unchanged.