The Indian equity benchmarks were fluctuating between gains and losses as gains in heavyweights like Infosys, ICICI Bank, Reliance Industries, State Bank of India and Tata Consultancy Services were offset with losses in HCL Technologies, Hindustan Unilever, Titan and UltraTech Cement. The Sensex rose as much as 137 points and Nifty 50 index touched an intraday high of 18,302.