Gold gained 275 rupees, to 27,015 rupees per ten grams at Delhi's bullion market, on Tuesday, on emergence of buying by stockists and jewellery makers at lower levels, supported by a rebound in the global markets. Silver rose 1,500 rupees, to 55,000 rupees per kilo. Silver coins spurted 5,000 rupees, to 61,000 rupees for buying 100 pieces.Overseas, gold gained for the first time in five days, climbing 1.9 per cent, to 1,658 dollars an ounce. Gold had lost 8.8 per cent in the past three days. Silver gained 3.4 per cent, to 31.79 dollars an ounce, after tumbling more than 22 per cent in the past three days.