Rohit Sharma (0) was the next one to depart after being bowled off Matthews (3-14) for the second time in a row. Like Sharma, Suresh Raina also played on to make it 41 for four.
The wickets kept falling at regular intervals as Gambhir was left stranded at the other end.
Sri Lanka chased down the target with ridiculous ease. Their first 64 runs came in nine overs before the supper break.
In Image: Sri Lanka's bowler Thisara Perera, second right, celebrates the dismissal of India's batsman Virender Sehwag, left, with teammates