Put in to bat after New Zealand won the toss, the Indian eves were sent packing for 125 runs in 19.5 overs before New Zealand overhauled the target in 12.3 overs, losing just two wickets in the process.
For India, skipper Mithali Raj top-scored with a 23-ball 35 but none of her teammates managed to come good against a disciplined Kiwi bowling effort.
Pacers Morna Neilsen and Kate Broadmore shared six wickets between them, while off-spinner Leigh Kasperek grabbed two to demolish the Indian batting.
In response, the Kiwis hardly broke a sweat and romped home, scoring at a rate of more than 10.
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Skipper Sophie Devine led from the front with a blazing 22-ball 70, which included five fours and eight sixes. Amy Satterthwaite added a 35-ball 39 to ensure a smooth chase for New Zealand.
The next match between the two sides will be played here on July 13.
India: 125 in 19.5 overs (Mithali Raj 35, Kate Broadmore 3/16)
New Zealand: 126/2 in 12.3 overs (Sophie Devine 70, Jhulan Goswami 1/19).