1) 4000 T20I runs
India plays 9 T20Is a year which makes 45 in next 5 years. Again the ratio of Matches played: Matches Missed is assumed as 85:15, which means Virat will play 38 matches. Currently, Virat has played 55 T20IS scoring 1956 at an average of 52.86. At this average, he is expected to score 2021 more runs. That means he will score around 4000 T20I runs.
– by Atharva Apte