Hindustan Zinc Limited was put up for sale by the Indian government in 2001 as part of its disinvestment program. In 2002, Sterlite Opportunities and Ventures Limited acquired a majority stake in the company. Hindustan Zinc Limited is one of the largest zinc-lead and silver producers in the world, with its main products being zinc metals, lead metals, and silver. It has seen increasing sales and profits over the last five years. The company's quarterly results are scheduled to be announced on January 19, 2016.