Sensex up 225pts; NTPC surges 3%

 Mahindra & Mahindra, Tata Steel, Reliance and Satyam have advanced 1.7% each to Rs 688, Rs 650, Rs 1,833 and Rs 474, respectively.

Wipro, Bajaj Auto, Maruti, ICICI Bank and ONGC have advanced around 1.5% each to Rs 469, Rs 2,326, Rs 848, Rs 913 and Rs 887, respectively.

Out of 2,311 stocks traded so far, 1,702 have advanced, 542 have declined and 67 are unchanged.