Furthermore, a strengthening rupee which surged to trade at over two-month high of 66.55 against the dollar at the forex market in early trade today too buoyed the trading sentiments.
The 30-share index advanced by 101.61 points, or 0.41 per cent, to trade at 24,778.98 as sectoral indices, led by oil&gas, PSU, capital goods, technology, IT, FMCG and power, were trading in the positive zone with gains of up to 2.26 per cent.
On similar lines, the NSE Nifty was trading 30.25 points, or 0.40 per cent, higher at 7,542.80.
Brokers said a firming trend at other Asian markets following a strong closing in the US markets buoyed trading sentiment here.
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Among other Asian markets, Hong Kong's Hang Seng was up 0.69 per cent while Shanghai Composite Index surged 1.91 per cent in early trade today.
Japan's Nikkei, however, shed 1.28 per cent as the dollar's weakness against the yen is seen hurting the country's exports.
The US Dow Jones Industrial Average ended 0.90 per cent higher in yesterday's trade.