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.
JT Group Limited JT Group Limited (doing business as JT) is the parent company of several subsidiaries including Jersey Telecom Limited and Wave Telecom Limited. Jersey Telecom is the former monopoly operator in the Bailiwick of Jersey.