The Indian equity benchmarks continue to trade lower in noon deals on Monday dragged by losses in index heavyweights like Tata Consultancy Services, Infosys, Bharti Airtel, Reliance Industries, Larsen & Toubro and HCL Technologies amid mixed global cues. The Sensex fell as much as 378 points and Nifty 50 index dropped below its important psychological level of 16,200.