Mumbai, July 24 -- Hindustan Zinc kicked off the financial year on a strong note, as higher metal prices, a weaker rupee and increased production helped India's largest zinc and silver producer beat Street estimates and post a more than two-fold jump in first-quarter profit.

Vedanta Group's biggest cash generator posted a consolidated net profit of Rs.5,469 crore for the quarter ended 30 June, up from Rs.2,234 crore a year earlier, according to exchange filings. The net income exceeded the Bloomberg consensus estimate of Rs.5,052 crore based on a poll of six analysts.

Revenue from operations surged 77% year-on-year to a record Rs.13,747 crore, driven by higher metal production, stronger prices for zinc and silver, and the sale of lead c...