The Indian equity flip-flopped between gains and losses on Friday as gains in Infosys, Tata Consultancy Services, Kotak Mahindra Bank and Larsen & Toubro were offset with losses in ICICI Bank, Reliance Industries, HDFC Bank, State Bank of India and IndusInd Bank. The Sensex moved in range of 150 points and Nifty 50 index touched an intraday high of 17,992 and low of 17,939.