246 The winning margin, by runs, India's second best in Tests against England; at Headingley in 1986, they won by 279 runs.
97.3 Overs batted by England in their second innings, which is the fifth highest by any team in the fourth innings of a Test in India since 1990. The best is South Africa's 143.1 in Delhi last year.
1.62 England's run rate in their second innings. Only once have they batted 40 or more overs and scored at a slower rate in all Tests since 1980 - against Sri Lanka at The Oval in 1998, when they scored 181 in 129.2 overs (run rate 1.39).
55 Test wickets for R Ashwin in 2016, the most by any bowler. He went past Rangana Herath, who has 54 in eight Tests, compared to Ashwin's 55 in nine.
5 Ben Duckett's average against Ashwin in this series: he has scored 15 runs from 40 balls and been dismissed three times. Overall in the series, Duckett has 18 runs from 52 balls at an average of six. In his first 13 balls against Ashwin, Duckett had scored 13 runs including three fours, but in the last 27 balls against him, Duckett has scored two runs and been dismissed three times.
10 Number of England batsmen who were out lbw in the match, England's highest ever in a Test. There were two previous instances of nine for England - against West Indies in 1984, and against Pakistan in Abu Dhabi in 2012. There have been only three instances of more lbws for a team in a Test - two for Pakistan and one for New Zealand.
21 Number of times both teams used the DRS in this Test - 12 times by England and nine by India. On six occasions the on-field umpires' call was overturned, with each team getting it correct three times. Four of the six overturned calls were for on-field decisions made by Rod Tucker, while Kumar Dharmasena's on-field calls were overturned twice. In the first Test the DRS came into play only nine times.
1906 The last time before James Anderson's first-ball ducks in this match that an England batsman had bagged a king pair in a Test - Ernie Hayes suffered that fate against South Africa in Cape Town in 1906.