Besides, a firming trend in the global markets also buoyed the trading sentiment here.
The 30-share index, which had gained over 502 points in the previous two sessions, rose by 80.09 points, or 0.43 per cent, to 18,825.02, with stocks of IT, technology, realty and consumer sectors leading the rise in early trade.
Similarly, the wide-based National Stock Exchange index Nifty rose by 30.45 points, or 0.54 per cent, to 5,719.40.
A better trend in the Asian region, following overnight gains on US markets, following on the back of positive corporate earnings, further generated buying, they said.
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Shares of RIL rose 0.68 per cent to Rs 810, after the company yesterday reported a net profit of Rs 5,589 crore in January-March as against Rs 4,236 crore in the same period a year ago.
In the IT segment, TCS surged one per cent to Rs 1500, while HCL Technologies, which posted an over 72 per cent jump in net profit at Rs 1,039.9 crore for the January-March quarter today, was trading higher by up 4.30 per cent at Rs 795.50.
The US Dow Jones Industrial Average ended 1.08 per cent higher in yesterday's trade.