The Indian equity benchmarks were trading on a flat note on Friday as losses in HDFC Bank, Larsen & Toubro, Tata Steel, Tech Mahindra, Maruti Suzuki and State Bank of India were offset with gains in ICICI Bank, Infosys, HCL Technologies, Kotak Mahindra Bank and Tata Consultancy Services. The Sensex traded in a range of 242 points and Nifty 50 index touched an intraday high of 17,663.20 and low of 17,589.05.