New Delhi, Sept 22 (ANI): Trading at the Bombay Stock Exchange today closed 541.14 points down to stand at 25,651.84. At the National Stock Exchange the Nifty closed 165.10 points down to stand at7,812.00. Indian hotels co. Ltd. and Infratel were among the top gainers of group A with an increase of4.63% and 3.97% along with Mindtree and NCC with an increase of 3.84% and 3.67% respectively, while the top losers of group A includes Amtek Auto Ltd. and Mothersumi with a decrease of 11.46%and 7.72% along with Jaiprakash Associates Ltd. and VEDL with a decrease of 6.29% and 6.22% at the close of the markets. The Auto sector is down 304.84 points at 17,296.62 while the Banking sector is down 611.60 points at 19,501.60 and the Realty sector is down 34.09 points at 1,306.62. The Indian currency was 0.33% down at Rs 65.94 per dollar.