The correct option is B National Mineral Development Corporation
The National Mineral Development Corporation (NMDC Ltd) has bagged the S&P Global Platts Global Metals Award 2018 in the corporate social responsibility category at London Grosvenor Square Marriott Hotel in the UK. This is the first time since inception of the awards that an Indian company has bagged an award in this category. NMDC is the largest iron ore mining company in India with iron ore production of around 35 million tonnes per annum (MTPA). It has a domestic market share of about 25% (non-captive category). NMDC also extracts diamonds from its mine in Panna, which is the only mechanised diamond mine in Asia. The S&P Global Platts is the leading independent provider of information, benchmark prices and analytics for the energy and commodities markets. It has been in existence for over 100 years. The S&P Global Platts Global Metals Award recognises top performers, industry leaders and innovators.