Axar Patel comes into the attack as he replaces Chakravarthy, who took 1/21 in three overs in his first spell.
Mitchell comes forward to drive the first ball but gets the inside edge to short fine leg.
After keeping out the first three balls he takes a single down to long-off and Williamson does the same off the last ball.
Kuldeep strikes again in his next over. He picks up another big wicket of Williamson, who chips it straight back and is caught bowled for 11.
Two big wickets for Kuldeep in the space of eight balls to leave New Zealand in trouble on 75/3 in the 13th over.
Tom Latham gets off the mark with a single to long-on and Mitchell picks one off the last ball.