Their 1-0 series win over Sri Lanka helped India match Australia's record of nine consecutive series wins from 2005-08, while Dhananjaya de Silva surpassed Viv Richards to score the highest fourth-innings score by a visiting batsman in India
With fitness being on agenda, India players have become better athletes, their ground fielding has improved, but nobody from the camp has been able to say why the same fielders seem to resemble non-stick cookware at slips
Dhananjaya de Silva and the debutant Roshen Silva were Sri Lanka's fifth-day heroes as they fought their way to a drawn third Test
Sri Lanka dropped him after throwing him in the firing line in South Africa. He has returned with the highest fourth-innings score by a visiting batsman in India. Young talents like that need better nurturing
After having seen his team-mate Shami vomit on the field, the India opener was more understanding of the visitors' discomfort, but he only went as far as giving them a benefit of doubt
Previous highest score by visiting batsmen when chasing in India, by Viv Richards at Kotla in 1987. Dhananjaya de Silva has gone past that in this chase.
Runs by Kohli in this series, the fourth-most for any batsman in a three-match Test series.
Runs accumulated by Ajinkya Rahane in this series, in 5 innings. His scores: 4, 0, 2, 1, 10.
Previous highest score for Dinesh Chandimal in Test, that came against India in Galle in 2015. He's better it with 164 in this game.
No. of SL batsmen to score 10 Test centuries in fewer innings than Chandimal who has done it in 80 innings. Thilan Samaraweera, who took 84 innings, was the previous quickest for SL.
Balls faced by Mathews and Chandimal in this partnership - the most by any visiting pair in India since 2010. Kallis and Amla had batted 641 balls in Nagpur in Feb 2010.
No. of double-centuries by Virat Kohli as captain - the most. He went past Brian Lara's five 200s as captain. All other Indian captains combined have only four 200s.
Number of batsmen to score 20 Test centuries in fewer innings than Kohli who has got there in his 105th innings. Bradman (55), Gavaskar (93), Hayden (95) and S Smith (99) are the only ones ahead.
No. of India batsmen to get to 5000 Test runs in fewer inns than Kohli who has taken 105 inns. Gavaskar (95), Sehwag (99) and Tendulkar (103) are the three ahead of Kohli.
No. of Tests taken by Dilruwan Perera to take 100 wickets - the fastest among 6 Sri Lanka bowlers to the milestone. Muralitharan was the previous fastest in 27 matches.
India's win-loss record in last 12 Tests at Delhi, before this. The last time they lost there was in 1987 to West Indies.