The Indian equity benchmarks erased early gains on Friday as gains in information technology shares like HCL Technologies, Tata Consultancy Services, Wipro and Infosys were offset with losses in State Bank of India, HDFC, IndusInd Bank, Kotak Mahindra Bank and index heavyweight Reliance Industries. The Sensex rose as much as 308 points and Nifty moved above 17,155.