The Indian equity benchmarks fell nearly 2 per cent for the week ended March 22on weak global markets as hawkish comments from the US Fed Chair dented the risk sentiment for the equities, analysts said. The Sensex fell 1.96 per cent to close at 57,197 and Nifty 50 index declined 1.74 per cent to settle at 17,172. The markets fell for three out of five sessions during the week.