in the state of Rajasthan. HZL's equity shares are listed and traded on the NSE and BSE. Vedanta owns 64.9% of the share capital in HZL and has management control. Sterlite has a call option to acquire the government of India's remaining ownership interest. Sterlite Copper (Tuticorin): Sterlite is registered office headquartered in Tuticorin, Tamil Nadu, India. Sterlite has been a public listed company in India since 1988, and its equity shares are listed and traded on the NSE and the BSE, and are also listed and traded on the NYSE in the form of ADSs. Vedanta owns 53.9% of Sterlite and has management control of the company. Protest by Public of Tuticorin started for not following Environmental Clearance Issues. The Tamil Nadu Pollution Control Board (TNPCB) accused the factory of releasing noxious gas in the air. It said sulphur-di-oxide levels had gone off the charts on the night of 23 March in the year 2013. It showed a reading of 2939.55 mg/cubic metre against the prescribed limit of 1250 mg/ cubic metre more people were affected by cancer and other breathing disorders but the Indian government did not take any action. Twin star (a Mauritius-based offshore holding company that owns sizable parts of Vedanta limited) Cairn India and Cairn energy India (oil and offshore exploration) Mines in Goa (currently frozen statewide) and Karnataka (owned by Vedanta limited) Electrosteel Steels limited, Jharkhand (through Vedanta star, a holding company) Talwandi Sabo power limited (a thermal power plant in Mansa, near Bathinda, Punjab) Vedanta Aluminium: Vedanta Aluminium is headquartered in Jharsuguda, Odisha. Vedanta owns 70.5% of the share capital of Vedanta Aluminium and Sterlite owns the remaining 29.5% share capital of Vedanta Aluminium. Vedanta Aluminium produces ingots, billets & wire rods that are sold in the markets around the world. Vedanta Aluminium Limited (VAL) has acquired a 24.5% stake in L & T subsidiary Raykal Aluminium. Based on achieving certain milestones, Vedanta Aluminium will fully acquire Raykal Aluminium in phases. Vedanta is undertaking an expansion program. It plans to produce around 1.5 million tonnes of aluminium in the fiscal year 2016-17 from its Jharsuguda and Korba smelters which will make it the largest aluminium producer in India. Its alumina refinery, located in Lanjigarh, plans to produce 1.5 million tonnes of alumina and depending on availability of domestic bauxite will subsequently ramp it up to 4 million tonnes per annum in the near