The Bombay Stock Exchange benchmark Sensex maintained an upward march for the sixth straight session on Thursday and moved up by 181 points to regain the 15,000 level in early trade on funds buying.
The 30-share index, which had gathered nearly 2,370 points in the past five sessions, added 180.60 points to 15,122.88 as firm global markets and easing crude oil prices influenced the wide-spread buying on the domestic bourses.
Similarly, the wide-based National Stock Exchange's index Nifty rose by 62.65 points to regain the 4,500 level.
Marketmen said buying activity received a booster after the ruling UPA government won the trust vote in the Parliament.
They said firm trends in global stock markets and easing crude oil prices were other positive factors.
In Asian region, the Hong Kong's Hang Seng rose 0.4 per cent opening trade in line with overnight gains on the Wall Street.
Bharti Airtel stocks were in the limelight after the company posted better than expected first quarter results, recording nearly 34 per cent growth in its net profits.
Bharti Airtel stocks went up by a whopping five per cent at Rs 856.80 in early trade.
Besides, major gainers which supported the Sensex were Reliance Industries, Rcom, Reliance Infra, HDFC Bank, ICICI Bank, State Bank of India, ONGC, Grasim Industries, BHEL, Larsen and Toubro, Maruti Suzuki, Tata Motors and Tata Steel.