The Sensex at Bombay Stock Exchange rose 114, points ,or 0.5 percent ,to trade at 20,90,4, in the afternoon session ,a short while ago. The Nifty at the National Stock Exchange advanced 41 points ,or 0.7 per cent ,to 6,217.In other Asian Stock markets , key benchmark indices in Japan , China , Hong Kong ,South Korea and Singapore have been trading mixed in intra-day trade, today .