Bumrah had a forgettable outing against South Africa in the second Test at the Wanderers.
Besides regular captain Kohli, who is missing the match owing to upper back spasm, middle-order batter Shreyas Iyer was also ruled out of the game due to a stomach bug.
If sources are to be believed, Bumrah's promotion is a message to both Pant and Iyer to show supreme all-format consistency.
He suffered the sprain while bowling the penultimate delivery of the sixth over of the Proteas innings.
Arun stressed more had to be done to ease the workload on the likes of frontline pacemen Jasprit Bumrah and Mohammad Shami.
Asked to compare his India teammates, currently playing in the ICC T20 World Cup here, to iconic buildings in the UAE, Chakravarthy -- who has a bachelor's degree in architecture -- came up interesting observations.
"Sometimes you need a break. You miss your family. You've been on the road for six months," said India's premier fast bowler after the loss to the Kiwis.
Here's glance at five of the finest bowlers in contemporary T20 cricket.
Cricketer-turned-politician Gautam Gambhir too supported Pathan's observation.
The 20-year-old Rajasthan Royals pacer claimed two wickets and conceded just one run to single-handedly win the IPL match for his team.