0 Number of bigger first-innings totals than England's 477 in this match, which resulted in an innings defeat. The previous biggest such total was 432, also by England, at The Oval, in the 2001 Ashes. This is the sixth time a team has lost after scoring 400 or more in their first innings, and four of those are by England. In the previous Test of this series, at the Wankhede, England lost after scoring 400. England's total is also the highest total, in any innings of the Test, to end in an innings defeat beating West Indies' 463 while following on at Eden Gardens in 2011-12.
18 Number of consecutive Tests without a defeat for India, their longest ever unbeaten run. Their previous longest unbeaten streak was between September 1985 and March 1987. However, they had won only four matches in that 17-Test run, compared to this sequence which has had 14 wins. Click here for the list of longest unbeaten sequences, which is topped by West Indies - 27 matches without a defeat from 1982 to 1984.
2 Instances of India winning four Tests in a series - the Border-Gavaskar Trophy in 2012-13 (four-match series), and this five-match series. The previous time England lost four or more Tests in a series was in the 2013-14 Ashes.
1 This was Ravindra Jadeja's first ten-wicket haul in Test cricket. He took 10 for 154 in this Test, including 7 for 48 in the second innings, both career-best figures. His previous best innings figures was 6 for 138 in Durban in 2013-14.
6 Number of times Ravindra Jadeja dismissed Cook in this series. It is the most an India bowler has dismissed a particular batsman in a series. Cook averaged just 12.50 against Jadeja in the series. There have been 20 other instances of an India bowler dismissing a batsman five times in a series, including R Ashwin against Ben Stokes in this series.
0 Number of captains who have led India in more successive Tests without a defeat than Virat Kohli with 18. Sunil Gavaskar had also led in 18 consecutive Tests without a loss, his first 18 Tests in charge from 1976 to 1980. Kapil Dev had a 17-Test run without a defeat. Kohli had two defeats in his first four Tests and no loss since then.
1 Ravindra Jadeja became the first ever player to score a half-century or more, take 10 or more wickets and also take four or more catches in a Test. He scored 51 in the first innings, took 10 for 154 in the match plus a catch in first innings and three catches in second innings. Jadeja is in fact only the second India player after Kapil Dev to score a 50-plus and take ten-for in a Test. Kapil had also done it in Chennai, against Pakistan in 1979-80.
9 Tests won by India this year - the most by them in any year. The previous best was eight wins in 2010. India ended the year unbeaten, in 12 Tests. Only England (11 wins) in 2004 and Australia (10 wins) in 2006 have more Tests in a year without losing any. On the other hand, this was England's eighth Test defeat this year - the joint second-most for any team behind Bangladesh's nine in 2003.
25 Number of century opening partnerships Alastair Cook has been involved in - the most by any opener. He went past Jack Hobbs and Graeme Smith, who had been involved in 24 hundreds partnerships for the first wicket. Keaton Jennings is the 10th opening partner with whom Cook has shared a century partnership, which is also a record. The previous record was Graham Gooch's nine partners.
Bharath Seervi is stats sub-editor at ESPNcricinfo. @SeerviBharath