The benchmark domestic equity indices, Sensex and Nifty, were trading around 0.4 per cent up in the forenoon trade today, amid mixed global cues. On sectoral front, Oil and Gas, energy and financial services were leading the gains while declines were seen in realty, media, and PSU bank. The 30-share BSE Sensex rose 320 points, to 83,076 and the NSE Nifty50 climbed 83 points, to 25,328, when reports last came in.