Inzamam has admitted that a drastic change needs to be made following the New Zealand tour debacle.
The incident happened during the 2nd T20I between New Zealand and Pakistan.
The action perspired in the final T20I of the tour.
Babar is the second Pakistan batsman to top the T20I rankings after Misbah-ul-Haq, who had climbed to the number-one spot in 2009.
Pakistan won the series 2-1 to regain the No.1 position in the rankings.
Meanwhile, New Zealand have slipped to the number two spot with 123 points to their name.
He also used the opportunity to acknowledge how the PSL has helped players earn a reputation.
The New Zealand team announced a couple of changes for the final T20I.
The visitors finally turned up on the day and won the second T20I by 48 runs.
A unique record in T20I cricket history.