Snapping its three-session rising streak, the 30-share barometer declined 28.04 points, or 0.13 per cent, to 20,862.78, with stocks of banks, capital goods and consumer durables leading the fall.
The index had gained nearly 697 points in the previous three sessions.
On similar lines, the National Stock Exchange index Nifty moved down by 9.85 points, or 0.16 per cent, to 6,193.50.
Brokers said profit booking by participants after three sessions of gains and a mixed trend in the Asian region led to fall in stock prices.
Meanwhile in Asia, Hong Kong’s Hang Seng index was up by 0.49 per cent, while Japan’s Nikkei shed 0.10 per cent in early trade today.
The US Dow Jones Industrial Average ended 0.06 per cent lower yesterday.