Business Overview

Hindustan Zinc is the world’s largest integrated zinc producer and the third-largest silver producer.

Hindustan Zinc’s mines are located at Rampura Agucha, Sindesar Khurd, Rajpura Dariba, Zawar and Kayad in the state of Rajasthan.

The current ore production capacity today stands at 18.25 million tonne per annum. The company is aggressively expanding its mining capacities, implementing with six ongoing major mining projects and operates all these mines through underground mining process.

Rampura Agucha Mine, with the ore production capacity of 5.4 million tonne per annum, is the world’s largest underground Zinc mining operations with best-in-class Zinc-Lead reserves grade. The mine is currently operating through underground routes.

Kayad Mine, a part of Hindustan Zinc since 2011, began ore production in FY 2012-13. In FY 2024-25, it produced 0.7 million tonnes of ore and is expected to sustain a production rate of 1.2 million tonnes per annum.

The Sindesar Khurd Mine, with the ore production capacity of 5.6 million tonne per annum, is a highly mechanised under-ground mine. Sindesar Khurd Mine expansion is expected to significantly contribute to the Company’s integrated Silver production.

Rajpura Dariba Mine is an underground mine and currently has ore production capacity of 1.5 million tonne per annum. The ore production capacity at Rajpura Dariba Mine is all set to increase to 4.0 million tonne per annum.

Zawar Mines comprises 4 different mines with footprints of ancient mining and has a combined ore production capacity of 4.75 million tonne per annum. As per the radio carbon dating, the mines at Zawar are over 2500 years old. Zawar also has 80 MW of captive thermal power plant.

The Company’s smelters are located at Chanderiya, Dariba and Debari in the state of Rajasthan and Zinc-Lead-Silver metal refineries at Pantnagar in the state of Uttarakhand. The Company’s Zinc, Lead and Silver metal production capacities have seen five-fold increase since disinvestment in 2002. The metal production capacity which was 204,000 tonne per annum in the year 2002 has grown to  1.123 million tonne per annum.

Chanderiya Smelting Complex, located in the district of Chittorgarh,  has Zinc production capacity of 585   KT and Lead production capacity of 90   KT per annum. The location also has captive power plants of 234 MW. Additional green power is generated through waste heat recovery boilers. Dariba Smelting Complex, located in the district of Rajsamand, has production capacity of  240   KT of Zinc and  120  KT of Lead per annum.

Dariba Smelting Complex is uniquely self-sufficient with Zinc smelter, Lead smelter and captive power plants of 170 MW, all located in the vicinity of Sindesar Khurd Mine and Rajpura Dariba Mine.

India’s oldest Zinc smelter, located at Debari in the district of Udaipur, has Zinc metal production capacity of  88  KT per annum.

Zinc, Lead and Silver metal refinery at Pantnagar has a capacity to produce 800 metric tonnes of Silver per annum.

The Company’s total metal production at the end of FY2025 stands at 827,  KT of Zinc, 225  KT per annum of Lead and 687  metric tonnes of Silver.