In the World Group play off match of the Davis Cup Tennis tournament being held at Bangalore, Serbia took a comfortable 2-Nil lead against India. India lost both its Singles matches Friday. In a must win situation hosts will play the Doubles challenge with pair of Leander Paes and Rohan Bopanna up against duo of Nenad Zimonjic and Ilija Bozoljac. Reverse singles will be played on tomorrow.