Rising for the fourth session in a row, the 30-share barometer added 200.48 points, or 1.06 per cent, to trade at 19,070.17. The index has gained nearly 300 points in the previous three sessions.
The wide-based National Stock Exchange index Nifty, shot up by 60.35 points, or 1.05 per cent, to 5,791.60.
Brokers said trading sentiment remained bullish on continued buying by funds and retail investors on expectations that the government will accelerate pace of economic reforms by raising FDI cap in insurance sector.
Besides, a firm trend in the Asian region also influenced sentiments, they said.
In Asian region, Hong Kong's Hang Seng up by 0.21 per cent, while the Japan's Nikkei by 0.41 per cent in early trade today.
The US Dow Jones Industrial Average ended 0.09 per cent higher in yesterday's trade.