The 30-share index went up 73.03 points, or 0.23 per cent, at 31,820.12. The gauge gained 386.45 points in the previous two sessions to close at a fresh record high of 31,747.09 yesterday.
All the sectoral indices led by oil and gas, realty, PSU, bank and auto turned green.
The NSE index Nifty recaptured the key 9,800 mark by rising 27.10 points, or 0.27 per cent, at 9,813.15.
Major gainers were Reliance Industries, ONGC, Hindustan Unilever and Bharti Airtel, rising by up to 1.86 per cent.
Globally, Hong Kong's Hang Seng rose 0.92 per cent while Japan's Nikkei shed 0.31 per cent. China's main Shanghai Composite Index was down by 0.12 per cent.
The US Dow Jones Industrial Average ended flat yesterday.
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