At the Multi Commodity Exchange, silver for delivery in July was trading higher by Rs 622 or 1.50 per cent at Rs 42,169 per kg in a business turnover of 1,686 lots.
Likewise, the white metal for delivery in far-month September rallied by Rs 617 or 1.46 per cent to Rs 42,395 per kg in 120 lots.
Analysts said bets enlarged by speculators in tandem with a firming trend in precious metals overseas after the Federal Reserve scaled back the outlook for interest-rate increase and Fed Chair Janet Yellen signaled rates may stay lower for longer, boosting appeal of the precious metals, influenced silver prices here.