The Supreme Court on Tuesday cleared way for Vedanta to reopen its copper smelter in Tamil Nadu by refusing to stay an order from country's environmental court, company's lawyer said.The state government appealed against environment court's order in December to set aside Tamil Nadu's order to close copper smelter permanently.The smelter was ordered shut by Tamil Nadu over alleged pollution that led to violent protests in May, culminating in police opening fire on demonstrators and killing 13.Shares in Vedanta closed with gains of 1.1 per cent at Rs195.60apiece on NSE, whose benchmark index Nifty finished 0.3 per cent higher at 10,802.