NLC India Limited is an India-based company, which is engaged in the business of mining of lignite, coal and generation of power by using lignite as well as renewable energy sources and consultancy. Its segments include Mining and Power generation. The mining segment includes mining of lignite and coal. The power generation segment includes generation of power and sale to power utilities across the country. It operates three opencast Lignite Mines at Neyveli in the State of Tamil Nadu and one opencast Lignite Mine at Barsingsar in the State of Rajasthan with the mining capacity of all the Lignite Mines is 28 million metric tons per annum (MTPA). It operates one opencast Lignite Mine at Barsingsar with an installed capacity of 2.10 MTPA and an open cast coal mine at Talabira in Odisha with an installed capacity of 20 MTPA. It is operating five lignite based thermal power stations, four at Neyveli, in Tamil Nadu and one at Barsingsar, in Rajasthan with capacity of over 3,640 megawatts.