The Sensex is now up 285 points at 8,960.
The Reserve Bank of India in its quarterly review of the Credit Policy today left all key rates - repo, reverse repo and Cash Reserve Ratio - unchanged.
Sterlite has soared 8% to Rs 259, and Reliance Infrastructure has surged over 7% to Rs 520.
TCS, Wipro, Maruti and Reliance have rallied over 5.5% each to Rs 513, Rs 226, Rs 544 and Rs 1,217, respectively.
Grasim and BHEL have moved up nearly 5% each to Rs 1,192 and Rs 1,384, respectively.
Sun Pharma, Jaiprakash Associates and Bharti Airtel have advanced over 4.5% each to Rs 1,126, Rs 64 and Rs 644, respectively.
ONGC has dropped nearly 3% to Rs 628, and Larsen & Toubro is down over 1% at Rs 633.
The market breadth is marginally positive - out of 2,246 stocks traded so far, 1,108 have advanced, 1,053 have declined.
