Hindustan Zinc Ltd
· Hindustan Zinc is one of the world's largest and India's only integrated ZincLeadSilver producer. 2. Hindustan Zinc's mines are loed at Rampura Agucha, Sindesar Khurd, Rajpura Dariba, Zawar and Kayad in the state of Rajasthan. The current ore production capacity today stands at 12 million tonne per annum.