India have taken a 2-0 lead in the Davis Cup World Group tennis tie. At Jhonesburg on Friday, India's number one Somdev Devvarman out classed Izak Der Merwe of South Africa 7-6, 6-3, 6-4 in the opening singles. In the second signles, Rohan Bopanna defeated Rik De Voist in four sets 2-6, 6-4, 6-2, 6-4.