The Indian equity benchmarks edged lower on Friday dragged by losses in HDFC Bank, HDFC, Reliance Industries, Kotak Mahindra Bank, Axis Bank and Tata Consultancy Services amid weak global cues. The Sensex fell as much as 595 points and Nifty 50 index dropped below its important level of 17,500. Most of the Asian markets were trading lower with Japan's Nikkei fell 0.6 per cent, Hong Kong's Hang Seng dropped 1 per cent and South Korea's KOSPI fell 0.4 per cent.