New Delhi, March 19 (ANI): Trading at the Bombay Stock Exchange today closed 2.08 points up to stand at 21,834.69. At the National Stock Exchange the Nifty closed 7.40 points up to stand at 6,524.05. Petronet LNG and TV18 Broadcast were among the top gainers of Group A with an increase of 5.44% and 4.55% along with Tata Steel and Hindalco Industries with an increase of 4.48% and 4.27% respectively, while the top losers of Group A include TCS and Indian Oil Corp with a decrease of 3.94% and 3.48% along with ONGC and Rural Electrification Corporation Ltd with a decrease of 3.00% and 2.94% at the close of the markets. The Auto sector is up 5.35 points at 12,791.32 while the banking sector is up 82.85 points at 13,913.66 and the realty sector is down 6.29 points at 1,374.24. The Indian currency is up 0.18% at Rs 61.01 per dollar.