Hindustan Zinc gained as silver prices hit record highs, boosting optimism for India's largest silver producer. Analysts cited expansion plans worth ₹12,000 crore and a ₹3,823 crore reprocessing project as long-term positives. Technically, support lies at ₹420-₹430, while a breakout above ₹480 could drive the stock toward ₹525-₹550. Retail sentiment, however, stayed cautious.