At close, the Sensex was down 304.48 points or 0.53% at 57,684.82, and the Nifty was down 69.80 points or 0.40% at 17,245.70. About 1424 shares have advanced, 1891 shares declined, and 118 shares are unchanged. Kotak Mahindra Bank, HDFC, Britannia Industries, Bharti Airtel and Cipla were among the top Nifty losers, while gainers were Hindalco Industries, Divis Labs, Dr Reddy’s Laboratories, Tata Steel and UPL.