India choked New Zealand yet again to turn it around for a seven-run win in the fifth T20 International, giving them a rare 5-0 series whitewash in the shortest format at Mount Maunganai on Sunday.
Bumrah conceded just 12 runs in his four overs and got rid of three batsmen, bowling block-hole deliveries during death overs.
India's total was built around stand-in skipper Rohit Sharma' 60-run knock after they elected to bat.
Tim Seifert (50) and Ross Taylor (53) kept the Black Caps in hunt for a consolation win but the hosts again fell near the finish line.
New Zealand got off to a poor start and were quickly reduced to 17 for three in the fourth over. Bumrah had Martin Guptill (2) lbw, and Sundar bowled Colin Munro (15). Tom Bruce's run-out didn't help the situation either.
Taylor and Seifert came together at that juncture, putting on 99 runs for the fourth wicket, raising vision of an improbable win.
Seifert reached his half-century off 29 balls, including five fours and three sixes. while Taylor got to his half-century in 42 balls. He hit five fours and two sixes.
Navdeep Saini (2-23) dismissed Seifert and then Bumrah bowled Daryl Mitchell (2) with a searing yorker.
New Zealand's chase was all but over when Mitchell Santner (6) holed out of Shardul Thakur (2-38) and Manish Pandey held a fine running catch at long on.
Ish Sodhi smacked 16 off 10 balls to provide some fireworks at the end but it was not enough.
Earlier, Rohit, batting at number three, was retired hurt after injuring his left calf whilst hitting a six and walked off the field in discomfort. He faced 41 balls and hit three fours as well as three sixes.
Virat Kohli was expectedly rested, with Rohit coming in, and it was the only change for India from Wellington. Rishabh Pant was ignored once again.
For New Zealand, Kane Williamson didn't recover on time and Tim Southee led the side once again.
KL Rahul (45) and Rohit added 88 runs for the second wicket, providing vital momentum to the Indian innings.
The in-form duo dominated the Black Caps' attack and put on 50 off just 35 balls. Rahul hit four fours and two sixes in his 33-ball stay. He fell in the 12th over against the run of play and finished with 224 runs in the series, the most for an Indian batsman in any bilateral T20I series.
Sharma scored his 25th T20I half-century off 35 balls. He looked to accelerate but then injured himself in the 17th over and retired. The loss of both Rahul and Sharma impacted the Indian innings, and they lost all momentum on a slowing wicket.
Manish Pandey scored 11 not out off four balls, with a four and a six.
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