India were bowled out for 438, ending their first innings with a 246-run lead against New Zealand in the second and final Test at the Basin Reserve here Saturday.
Ajinkya (118) scored his maiden Test hundred and along with Shikhar Dhawan (98) and Mahendra Singh Dhoni (68) put India in complete control of the match.
Trent Boult, Tim Southee and Neil Wagner picked up three wickets each while Jimmy Neesham chipped in with one.
