India are looking to take a big lead on the fourth day of the second Cricket Test between India and Sri Lanka in Colombo. The visitors need a win to keep their hopes alive of winning the series. When reports last came in, India were batting at 138 for one.Both Murali Vijay and Ajinkya Rahane have scored unbeaten half-centuries. The visitors lost KL Rahul in the first over of their second innings, before Vijay and Rahane saw them through to stumps on the third day. They have secured a first-innings lead of 87 runs having bowled out the hosts for 306 runs in reply to their first inning's score of 393.Angelo Mathews scored his sixth Test century but Sri Lanka lost their way thereafter, losing their last seven wickets for 65 runs. Amit Misra was the most successful bowler grabbing four wickets.