Sri Lanka beat New Zealand by three wickets in a low-scoring match of the tri-nation ODI series at Dambulla today.Chasing a target of 193 runs, Sri Lanka made the required runs for the loss of seven wickets 40.5 overs. Earlier, winning the toss and batting first, New Zealand scored 192 in 48.1 overs. B.J. Watling scored 55, N.McCullum 36 and S.Styris 24. For Sri Lanka, Malinga and Mathews claimed three wickets each while Herath took two. Kulasekara and Mendis claimed one each.For Sri Lanka Upul Tharanga 70, Kumar Sangakkara 48, Thilan Samaraweera 36 not out.