Hindustan Zinc Ltd. engages in the exploration, extraction, and processing of minerals, and manufacturing of metals. The company is headquartered in Udaipur, Rajasthan and currently employs 3,564 full-time employees. The company went IPO on 2006-11-21. The firm has two operating segments, namely Zinc, Lead & Silver and Winde energy. The firm's operations include five zinc-lead mines, four zinc smelters, one lead smelter, one zinc-lead smelter, eight sulfuric acid plants, one silver refinery plant, six captive thermal power plants, and four captive solar plants in the state of Rajasthan. Its mines include Rampura Agucha, Sindesar Khurd, Rajpura Dariba, Zawar, and Kayad. The Rampura Agucha Mines hosts India's zinc-lead deposit. The firm has a rock-phosphate mine in Matoon, near Udaipur in Rajasthan and zinc, lead, silver processing, and refining facilities in the state of Uttarakhand. Its subsidiaries include Hindustan Zinc Alloys Private Limited, Vedanta Zinc Football & Sports Foundation, Hindustan Zinc Fertilisers Private Limited, Zinc India Foundation, and Hindmetal Exploration Services Private Limited.