Reserve Bank of India Governor Y V Reddy has hiked the repo and reverse repo rate by 25 basis points. However, the CRR and bank rate remain unchanged.The Sensex has pared some gains and is now up 108 points at 10,324. Reliance Communications, Dr.Reddy's and HDFC Bank have advanced over 3.5% each to Rs 249, Rs 1,305 and Rs 755, respectively.NTPC, ICICI Bank and HLL have gained around 3% each at Rs 111, Rs 531 and Rs 235, respectively.Tata Motors, Tata Steel and HDFC are up 2.5% each at Rs 702, Rs 491 and Rs 1,103, respectively.Out of 2,189 stocks traded so far, 1,468 have advanced, 655 have declined and 66 are unchanged.