Besides, covering-up of pending short positions by speculators on the last day of October series expiry in the derivatives segment, buoyed market sentiments.
The BSE 30-share barometer rose over 48.27 points, or 0.17 per cent, to 27,146.44. The NSE Nifty also maintained its rising trend and regained the 8,100-mark for the first time since September 23 by gaining 12.10 points, or 0.14 per cent, to trade at 8,102.55.
Besides, a mixed trend in other Asian markets boosted the sentiment, they added.
Among other Asian markets, Japan's Nikkei was up by 0.27 per cent, while Hong Kong's Hang Seng shed 0.33 per cent in early trade today.
The US Dow Jones Industrial Average ended 0.18 per cent down in yesterday's trade.