At close, the Sensex was down 81.48 points or 0.26% at 31561.22, while Nifty was down 12.30 points or 0.13% at 9239.20 due to profit-booking.IRCTC, Reliance Industries, IndusInd Bank and Maruti Suzuki, Hero MotoCorp, Tata Motors, Bajaj Auto and Bharti Infratel were major gainers in today's Sensex pack while losers were ICICI Bank, Dr Reddy’s Labs, BPCL, Kotak Mahindra Bank and HUL. About 1084 shares have advanced, 1280 shares declined, and 186 shares are unchanged. The nifty auto index rose over 4 per cent.