By Manoj Kumar NEW DELHI (Reuters) – India moved a step closer to selling a stake in a state-run oil company on Monday, keeping up Prime Minister Narendra Modi’s momentum on economic reform after bringing the prices of diesel and natural gas more in line with the market’s. The administration’s top privatisation official met bankers on Monday in the financial capital, Mumbai, to discuss the sale of a 5 percent stake in Oil and Natural Gas Corp (ONGC), a top finance ministry official said. …