A story of scale and substance
HZL has led from the front in shaping India's mining and metals sector. Each milestone reflects our deep commitment to operational excellence, sustainable growth, and nation-building. With over five decades of experience and a forward-looking approach, we continue to power industries, communities, and progress, across India and the world. Today, we stand as one of the world’s leading integrated producers of zinc, lead, and silver, driven by strategic foresight and technological innovation.
Ours is a legacy, not just measured in metric tonnes or milestones, but in the people we empower, the ecosystems we sustain, and the future we’re helping build.

A timeline of milestones
- Achieved record production of metal and silver
- Became the 3rd largest silver producer globally
- Ranked #1 globally in S&P Global Corporate Sustainability Assessment 2023
- Commissioned India’s first Fumer facility, new alloy plant, and Rajpura Dariba Mill
- Incorporated Hindmetal Exploration Services Private Limited
- Ranked #1 in Asia Pacific Metals & Mining by Dow Jones Sustainability Index 2019
- Became the 6th largest primary silver producer globally and the fastest growing silver company
- Full transition of Rampura Agucha from open cast to underground
- HZL became the only private Indian company on the London Bullion Market Association list
- Declared a special dividend of 1200% — the largest in India’s private sector at the time
- Commercial production started at Rampura Agucha UG Mine and Kayad Mine
- Pantnagar Silver Refinery commissioned with 500 MT annual capacity
- Rajpura Dariba Hydro-III zinc smelter commissioned with 0.2 million MTPA capacity
- HZL became the 2nd largest integrated zinc producer globally
- Sindesar Khurd Mine commissioned with 0.3 million MTPA capacity
- Hydro II smelter commissioned
- Hydro I smelter commissioned
- HZL became the 3rd largest integrated zinc producer in the world
- Vedanta Group (then Sterlite) acquired 26% equity stake in HZL — a turning point in our growth story
- Chanderiya Smelter inaugurated
- Production commenced at Rampura Agucha
- Rajpura Dariba Mine commissioned
- Discovery of Rampura Agucha – now the largest underground zinc mine in the world
- Vizag Smelter commissioned
- Balaria Mine at Zawar commissioned
- Foundation of Debari Smelter laid

