The market has opened flat on February F&O expiry and Railway Budget day. The Sensex is up 27.01 points or at 29035.00 and the Nifty is up 11.75 points at 8779.00. About 371 shares have advanced, 126 shares declined, and 111 shares are unchanged.
Sesa Sterlite, NTPC, ICICI Bank, ONGC and GAIL are top gainers while Infosys, BHEL, Tata Power, Coal India and Dr Reddy's Labs are among the losers in the Sensex.
All rail stocks are under pressure as Suresh Prabhu prepares to read out Railway Budget at 12 pm today.
The Indian rupee opened marginally higher at 61.93 per dollar on Thursday against previous day's closing value of 61.97 a dollar.