Gold fell 25 rupees, to 22,655 rupees per ten gram at Delhi's bullion market on Thursday on sluggish demand. But silver rose 400 rupees, to 55,100 rupees per kilo, on fresh buying by stockists, amid a firm global trend. In the global markets, gold declined 1.50 dollars, to 1,536 dollars an ounce. But silver gained 0.4 per cent, to 36.93 dollars an ounce.