Who principally owns the parent company of Hindustan Zinc Limited  ?
Hindustan Zinc Hindustan Zinc Limited (HZL) is an integrated mining and resources producer of zinc, lead, silver and cadmium. It is a subsidiary of Vedanta Resources PLC. HZL is the world's second largest zinc producer. Its FY2015 revenues were Rs. 147.9 billion.
Noel Tata Noel Naval Tata (1957) is an Indian businessman, who is the Chairman of Trent Ltd and Managing Director of Tata International. He is also the chairman of Tata Investment Corporation.