The Supreme Court on Thursday issued notices to the Centre, Goa government and mining companies on a plea for lowering of cap on extraction of mineral ores in Goa from the present 20 MTPA (metric tonne per annum) to 12 MTPA or even lower for the sake of environment and the locals who, it said, were being disregarded by the miners.A bench of Justice Madan B Lokur and Justice Deepak Gupta...