Who principally owns the parent company of Hindustan Zinc Limited  ?
Vedanta Resources Vedanta Resources plc is a global diversified metals and mining company with its headquarters in London, United Kingdom. It is the largest mining and non-ferrous metals company in India and has mining operations in Australia and Zambia and oil and gas operations in three countries. Its main products are copper, zinc, aluminium, lead, iron ore and petroleum. It is also developing commercial power stations in India in Odisha (2,400 MW) and Punjab (1,980 MW). The company is principally owned by Indian billionaire Anil Agarwal through Volcan Investments, a holding vehicle with a 61.7% stake in the business.
Chugai Pharmaceutical Co. Chugai Pharmaceutical Co., Ltd. (中外製薬株式会社 , Chūgai Seiyaku Kabushikigaisha ) is a subsidiary drug manufacturer operating in Japan controlled by Hoffmann–La Roche, which owns 62% of the company as of 30 June 2014. Previous to Roche's takeover in 2002, Chugai was a pioneering discoverer of many important pharmaceutical compounds. The company is headquartered in Tokyo. Osamu Nagayama is the current representative director, chairman, and CEO. Tatsuro Kosaka is the current representative director, president, and COO.