Infosys plimmeted 8.19 per cent to Rs 1,034.85 apiece. TCS sank 6.52 per cent to Rs 2,060.50. Mphasis fell 5.96 per cent to Rs 2,199.75. Tech Mahindra, LTM, Persistent Systems, Coforge Ltd, KPIT and Wipro fell 3-5 per cent.