After a marginally lower start, benchmark indices saw a sustained northward move through the session to end with gains of about two third of a percent. Sensex added 183 points to settle at 26698 while Nifty finished at 8222, up 51 points. BSE mid-cap and small-cap indices however lost 0.4% and 0.1% respectively. BSE Auto and Industrial indices gained 1% and 0.9% respectively, becoming top gainers among the sectoral indices while Realty and Basic Materal indices fell 1.1% each, becoming top losers. Tech Mahindra and Tata Motors were the top Nifty gainers, putting on 3.8% and 3.5% respectively whereas Ultratech Cement and Hindalco were the top losers, giving away 2.8% and 2.6% respectively. BSE advance-decline ratio stood at 1:1.02. Rupee was trading at 67.49/$, depreciating 7 paise compared to previous close. European markets were trading with gains of 0.2%-1.4%. US stock futures were up about a third of a percent ahead of the beginning of the two-day Fed meeting.