The Indian equity benchmarks were on track to snap their eight-day winning streak which saw benchmarks create new highs on five days in a row as investors were seen booking profits at higher levels, analysts said. The Sensex fell as much as 605 points and Nifty 50 index dropped below its important psychological level of 18,650. ICICI Bank, Infosys, Reliance Industries, Tata Consultancy Services, HDFC and HDFC Bank were among the top drags on the Sensex.