Oil and Natural Gas Corporation Limited (ONGC), Oil India Limited (OIL), GAIL India Limited, Indian Oil Corporation Limited (IOCL), Hindustan Petroleum Corporation Limited (HPCL), Bharat Petroleum Corporation Limited (BPCL), Engineers India Limited (EIL), Mangalore Refinery and Petrochemicals Limited (MRPL), Numaligarh Refinery Limited (NRL) and Blamer Lawrie Limited, have come together to launch over Rs 300 […]