Virat Kohli scored 72* runs in 2nd T20 vs South Africa
He broke few records.
Most runs in T20 Internationals
2441 Virat Kohli *
2434 Rohit Sharma
2283 Martin Guptill
2263 Shoaib Malik
2140 Brendon McCullum
Also
Most 50+ scores in T20Is
22 Virat Kohli *
21 Rohit Sharma
16 Martin Guptill
15 Brendon McCullum/ Chris Gayle
14 Tillakaratne Dilshan