Get latest articles and stories on Latest News at LatestLY. State-owned Oil and Natural Gas Corporation (ONGC) has commissioned two projects costing Rs 6,000 crore to add 7.5 million tonnes of oil production and 1 billion cubic meters of gas output over the life of the Mumbai High fields, as it doubles down efforts to raise productivity from mature and aging fields. Latest News | ONGC Commissions Rs 6,000 Cr Projects to Boost Oil, Gas Output.