Mumbai: The Indian equity markets inched up slightly on Tuesday morning, tracking positive global cues and correction in global crude prices. As of 9.20 am, Sensex added 64 points, or 0.10 per cent, to reach 74,914 and Nifty gained 34 points, or 0.15 per cent, to reach 23,449. Main broad-cap indices outperformed gains of the.