ONGC profit falls 40% on lower output, higher costs

    By Saurabh Chaturvedi     India's state-run Oil and Natural Gas Corp.(500312.BY) Wednesday posted a sharper-than-expected 40% fall in its fourth-quarter net profit because of lower oil and gas output and higher costs and write-offs.     Net profit for the three months ended March 31 fell to 33.89 billion rupees ($602 million) from 56.44 billion...