Business Vedanta says Tuticorin copper smelter shutdown could cost $100 million: report Updated : July 20, 2018 01:17 PM IST The smelter has been shut since May after the Tamil Nadu state government cut power supply to the unit. Vedanta has sought a permanent injunction against the state government from interfering with the operations. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.