Shubman Gill scripted several records during his record-breaking knock of 208 runs off 149 balls.
He smashed 19 fours and 9 sixes in a sensational display of hitting in Hyderabad.
After starting slowly, he grew in confidence and slammed the New Zealand bowlers to all parts of the ground.
He equalled the great Sachin Tendulkar and Rohit Sharma in the boundary count for India in one-day internationals.
Tendulkar and Sharma had hit 28 boundaries when they completed their double hundreds.
While Sachin scored a double ton against South Africa, Rohit recorded three.
Most boundaries for India in an ODI
42: Rohit vs SL (2014)
34: Kishan vs BAN (2022)
32: Sehwag vs WI (2011)
28: Shubman vs NZ (2023)*
28: Rohit vs AUS (2013)
28: Sachin vs SA (2010)
Meanwhile, India defeated New Zealand by 12 runs to go 1-0 up in a three-match series.