After winning the Test series 3-1, India went on to win the T20I series 3-2. All 5 matches were played at the Narendra Modi Stadium (earlier Motera stadium) in Ahmedabad.
A summary of all T20Is between these teams is given below. At the start of the series the 14 matches were split 7-7. Now India leads 10-9.

We now look at individual records, starting with Batting.
Most runs (100 and more):

Kohli is far ahead of the second-placed Buttler.
While RG Sharma and Rahul have scored a century apiece, Kohli has the most fifty-plus scores (4) followed by Buttler and RG Sharma each with 3.
Highest innings (60 or more):

Buttler (83*) and Malan (68) surpassed the previous record for England in India which was 56 by AD Hales in 2012-13.
Kohli 80* after 77* and 73* surpassed the previous record for India in India which was 71 by KL Rahul in 2016-17.
Most wickets (6 and more):

Chahal (12) and Jordan (10) now have the most T20I wickets for their teams, followed by Pandya with 9.
Best innings bowling (3wi and better):

No major innings figures in this series
Most dismissals (5 and above):

Dhoni still holds the record for the most dismissals (12) followed by Kohli with 9 (as a non-keeper).
Most innings dismissals (3 and above):

While Dhoni has the most dismissals (5), the highest by a non-keeper is 4 by Rahane in 2014.
Best all-round performance (overall):

HH Pandya appears to have the best overall performance.
Best all-round match performance (20 runs and 2 wickets):

Pandya’s performance in 2018 appears to be the best here.