Hitting a new peak for the second straight session, the 30-share barometer surged 83.04 points, or 0.32 per cent, to trade at 25,924.25, surpassing its previous intra-day high of 25,864.53 reached yesterday.
The gauge has rallied over 778 points in the past four sessions.
On similar lines, the National Stock Exchange index Nifty continued its winning streak to reach a new record-high of 7,751.75, rising 26.60 points, or 0.34 per cent.
Besides, a mixed trend in other Asian markets also influenced the sentiments here, they said.
Hong Kong's Hang Seng rose 0.03 per cent while Japan's Nikkei shed 0.06 per cent in early trade today.
The US Dow Jones Industrial Average ended 0.12 per cent higher in yesterday's trade.