Gold fell 235 rupees, to 31,125 rupees per ten grams at Delhi's bullion market, today, on sustained selling by stockists at existing higher levels, amid a weak global trend. Silver dropped 455 rupees, to 50,155 rupees per kilo. Silver coins plummeted 3,000 rupees, to 85,000 rupees for buying 100 pieces.Overseas, gold fell 0.3 per cent, to 1,362 dollars an ounce. Silver lost 1.9 percent, to 22.75 dollars an ounce.