Ashwin registers 20 five-wicket hauls in record time

2 Bowlers who reached 20 five-wicket hauls in fewer Tests than Ashwin's 39. Sydney Barnes had taken those many in 25 Tests and Clarrie Grimmett in 37 Tests. The previous quickest among India bowlers was Harbhajan Singh in 59 Tests.

5 Five-wicket hauls for Ashwin against New Zealand - the most by any India bowler. Only one spinner has taken more than five such hauls against New Zealand - six by Derek Underwood. Ashwin has four six-wicket hauls.

35 Ashwin's strike rate against New Zealand - best by an India bowler against any opposition taking 25 or more wickets.

8 Instances of New Zealand's No. 4 and 5 both bagging ducks in a Test innings. Ross Taylor and Luke Ronchi were the two batsmen to score 0 in this innings. New Zealand's only other such instance since 2000 was in Brisbane in 2011-12.

11.40 Taylor's average in this series - the worst by any New Zealand No. 4 batsman in series of three or more Tests. His scores so far have been 0, 17, 36, 4 and 0. This is also the first series where he has got out for a duck twice. This was his sixth duck since 2015 - joint-most by any player batting in the top-seven positions.

2013 Last instance of a century partnership by visiting openers in Tests in India prior to Martin Guptill and Tom Latham's 118-run stand, by Ed Cowan and David Warner in Mohali. Since then, there had been just one fifty-plus stand in 18 innings for visitors.

3 Number of times Ashwin has got Kane Williamson in this series, in three innings. He had got him only once in three innings before this series and only once in 12 innings in all international matches. In his 12 Test innings in India, Williamson has got out to spinners 10 times and twice to fast bowlers.

241 Runs scored by James Neesham against India, in just three innings. He had made 33 and 137 not out on his Test debut in Wellington in 2013-14 before adding another 71 in the first innings of this match. Against other teams, he has accumulated only 442 runs in 15 innings at average of 29.46.

2010 Last time an overseas opener scored three or more fifty-plus scores in a series of three or fewer Tests in India before Tom Latham in this series - Shane Watson. The only other opener to do so in the last 50 years was Matthew Hayden in 2001-02 series. Latham and Rohit Sharma are the only batsmen to score at least a fifty in each of the three matches of this series.