Reliance Energy was among major gainers in today's trading session. The company announced that the board of directors will meet on March 5 to consider share buyback. The stock was trading at Rs 1680 compared to yesterday's close of Rs 1622 on NSE. The stock touched an intraday high of Rs 1710.

Pharmaceutical major Nicholas Piramal announced the start of phase 1 trials of molecule for metabolic disorders. The stock was marginally up in early trading session.

Tata Communications announced its entry in global VPN services sector in China. The company will offer services in partnership with China Entercom.

PSU oil major ONGC was up by 1.7%. Aban Offshore was up by 2.3% at Rs 3900. RNRL was trading marginally higher at Rs 138.

Pharmaceutical counters were trading weak. Cipla and Ranbaxy were marginally down in early trades.