Gold rose 100 rupees, to 27,130 rupees per ten grams at Delhi 's bullion market on Monday, on festive season buying by retailers and stockists, amid a firm global trend. Silver gained 300 rupees, to 53,500 rupees per kilo.In the global markets, gold gained 0.9 per cent, to 1,657 dollars an ounce. Silver rose 1.1 per cent, to 31.73 dollars an ounce.