Gold gained 40 rupees, to 20,410 rupees per ten grams at Delhi's bullion market, on Monday, on emergence of buying for the ongoing marriage season, amid firm global cues. Silver rose 350 rupees, to 43,350 rupees per kilo. In the Asian region, gold rebounded from its longest weekly losing streak since July, rising 0.8 per cent, to 1,353 dollars an ounce. Reports of Morgan Stanley raising the gold price forecast for this year by 6 per cent, to 1,400 dollars an ounce, further fuelled rally.