New Delhi, October 18 (ANI): Trading at the Bombay Stock Exchange today closed 448.45 points up to stand at 20,863.96. At the National Stock Exchange the Nifty closed 135.85 points up to stand at 6181.70. Essar Oil and Jain Irrigation were among the top gainers of Group A with an increase of 7.26% and 6.93% along with Gujarat Mineral Development Corporation Ltd. and Indusind Bank with an increase of 6.50% and 6.40% respectively, while the top losers of Group A include Financial Technologies and Motherson Sumi Systems with a decrease of 2.04% and 1.19% along with Max India and TTK Prestige with a decrease of 1.16% and 1.15% at the close of the markets. The Auto sector is up 133.08 points at 11,931.03 while the banking sector is up 461.48 points at 12,252.66 and the realty sector is up 40.43 points at 1,356.70.The Indian currency is down 0.05% at Rs 61.26 per dollar.