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.
Sarawagi Group Sarawagi Group is an industrial conglomerate in India. The father company is S.K. Sarawagi & Co. Private Limited, which was established in 1961 first as a manganese ore mining company. The company claims to be the largest producer and exporter of manganese ore from India, with about 30% of the market share. The company headquarters is in Visakhapatnam, Andhra Pradesh, with other offices in New Delhi, Mumbai, Kolkata and Raipur. The firm also has operations and offices in Singapore, Hong Kong and Tianjin, China.