The Bombay Stock Exchange benchmark Sensex extended its gains in opening trade on Monday, rising by over 63 points on fund and retail investor-buying, driven by a firming trend in the Asian region.
The 30-share index, which gained nearly 253 points in the previous four sessions, added another 63.11 points, or 0.34 per cent, to 18,194.09 points in morning trade on the BSE.
The wide-based National Stock Exchange index Nifty also surged 17.15 points, or 0.31 per cent, to 5,466.25 points.
The market sentiment was firm in line with a strong trend in the Asian region after US markets closed nearly 1 per cent higher on Friday.
Stocks of Reliance Industries rose 0.27 per cent to Rs 1,063.05, while Infosys Technologies gained 0.62 per cent to Rs 2,799.15 in early trade.
Other gainers included HDFC Ltd, which rose by 0.52 per cent to Rs 3,008.80, while ICICI Bank jumped by 0.85 per cent to Rs 919.30, Tata Power by 0.14 per cent to Rs 1,326, TCS by 0.68 per cent to Rs 844.20 and Wipro by 0.68 per cent to Rs 414.90.
Bucking the trend, stocks of the country's top car-maker, Maruti Suzuki, fell sharply by 9.09 per cent to Rs 1,234.80 after the company reported a surprise 20.25 per cent fall in quarterly net profit.
Meanwhile, the Hong Kong Hang Seng Index rose by 0.26 per cent and the Japan Nikkei index was trading higher by 0.90 per cent in early trade on Monday.
The Dow Jones Industrial Average index rose 0.99 per cent in the previous session on Friday.