The Nifty IT index gained more than 2 percent to 33,423.65, as seen at 9.45 am on Tuesday. Infosys shares gained around 3 percent, while Coforge shares gained 2.5 percent. HCL Technologies and Persistent Systems shares gained around 2 percent each, while Tata Consultancy Services (TCS), Mphasis, Tech Mahindra, Wipro and LTI Mindtree shares rose over 1 percent each.