On the Multi Commodity Exchange, gold contracts for the June delivery traded higher by Rs 78, or 0.16 per cent, at Rs 48,385 per 10 gram in a business turnover of 6,312 lots, silver contracts for the July delivery tumbled by Rs 541, or 0.74 per cent, to Rs 72,655 per kg in a business turnover of 11,025 lots, aluminium for delivery in May declined by Rs 1.30, or 0.67 per cent, to Rs 193.40 per kg in 1,511 lots, zinc contracts for the May delivery traded lower by Rs 2.15, or 0.9 per cent, to Rs 236.25 per kg in 1,979 lots, copper contracts for the May delivery eased by Rs 12.35, or 1.58 per cent, to Rs 771.50 per kg in a business turnover of 3,946 lots.