Hindustan Zinc (HINDZINC) was created from the erstwhile Metal Corporation of India in 1966 as a public sector undertaking. In April 2002, the Government of India disinvested its majority stake in HINDZINC, and it became a part of Sterlite, which is a part of the London listed Vedanta Group. Today, Sterlite Opportunities and Ventures has a 64.92% stake in Hindustan Zinc. The company is engaged in mining and refining ore to produce non-ferrous metals zinc, lead and silver. Sulphuric acid, cadmium and zinc sulphate are its by-products. It also has installed capacities for phosphoric acid and superphosphate. The main products, zinc and lead are used by the engineering and automobile industries. The company has stock points all over India from where it markets its products. The company is currently India`s sole primary producer of lead.