New Delhi, Feb 5 (ANI): Trading at the Bombay Stock Exchange today closed 43.44 points up to stand at 20255.37. At the National Stock Exchange the Nifty closed 21.05 points up to stand at 6021.95. Essar Oil Ltd. and Amara Raja were among the top gainers of Group A with an increase of 7.43% and 6.47% along with Ranbaxy Lab and Power Finance with an increase of 5.69% and 5.47% respectively, while the top losers of Group A include Idea Cellular Ltd. and Jubilant Foodworks Ltd. with a decrease of 4.60% and 3.05% along with SHRIRAM CITY UNION FINANCE LTD and IRB Infra with a decrease of 3.03% and 2.69% at the close of the markets. The Auto sector is up 186.47 points at 11,602.39 while the banking sector is up 35.99 points at 11,695.03 and the realty sector is up 19.01 points at 1,212.05. The Indian currency is up 0.14% at Rs 62.44 per dollar.