Tianjin, April 7: Leander Paes and Rohan Bopan notched up a hard fought win in the doubles contest before Ramkumar Ramathan and Prajnesh Gunneswaran pulled off the must-win rubbers as India advanced to the World Group Play-offs with a 3-2 verdict over Chi here on Saturday. The experienced Indian combition were made to sweat by the spirited Chinese pair of Mo Xin Gong and Ze Zhang before claiming a 5-7, 7-6 (5), 7-6 (3) victory.