Gold rose 50 rupees, to 29,955 rupees per ten grams at Delhi's bullion market on Monday, on sustained buying by stockists and investors, supported by a strong global trend.Silver gained 450 rupees, to 55,100 rupees per kilo, amid rising demand among industrial units and coin makers.In Singapore, gold rose 0.9 per cent, to 1,608 dollars an ounce. Silver added 2 per cent, to 29.06 dollars an ounce.