The 30-share index was trading higher by 97.06 points, or 0.33 per cent, to 29,462.36 with sectoral indices such as realty, capital goods oil & gas, power and bank leading the recovery, gaining by up to 1.21 per cent.
The gauge had lost 57.09 points in the previous session on Friday largely on profit-booking amid mixed global cues.
The NSE Nifty was up 28.90 points, or 0.32 per cent, at 9,148.30 in early trade.
Shares of heavyweight RIL was quoting 1.14 per cent higher at 1,415.70, lending major support to the key indices.
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Investors cheered news coming in of 'market-friendly' Emmanuel Macron leading far-right candidate Marine Le Pen in the French presidential race, which too supported the recovery here, brokers added.
Among other Asian markets, Japan's Nikkei was up 1.34 per cent, while Hong Kong's Hang Seng gained 0.60 per cent in early deals. Shanghai Composite Index, however, shed 1.51 per cent.
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