India beat New Zealand by six runs in the rain-curtailed third T20I at Thiruvananthapuram on Tuesday, to clinch the three-match series 2-1. Chasing a target of 68 in eight overs, New Zealand, playing their 100th T20I, were restricted to 61/6. Thiruvananthapuram's Greenfield International Stadium became the 50th international cricket venue in India.