Gold prices remained unchanged, at 30,000 rupees per ten grams at Delhi's bullion market, today. Silver rose 200 rupees, to 44,050 rupees per kilo, on pick-up in demand from industrial units. Silver coins remained flat, at 74,000 rupees for buying 100 pieces.Globally, gold fell 0.2 per cent, to 1,246 dollars an ounce.