Gold and silver prices plunged on the Multi Commodity Exchange (MCX) on Monday after Israel and Iran engaged in missile attacks. MCX silver futures for July delivery fell ₹5,537 to ₹2,43,000/kg, while August gold futures slipped ₹1,792 to ₹1,53,802/10 grams. Sensex and Nifty also declined in early trade on Monday.