The like-for-like replacement is not straightforward. Here's what the ICC laws say about concussion sub and why India were not wrong in bringing in Harshit Rana

Ashwin criticized the decision to replace Shivam Dube with Harshit Rana as a concussion substitute, calling it a miscalculation. He argued that Ramandeep Singh was a more suitable replacement, echoing Jos Buttler's concerns about the decision's validity during the 4th T20I match.

India won the fourth T20I against England at the Maharashtra Cricket Association Stadium in Pune on Friday, January 31, by 15 runs to take an unassailable 3-1 lead in the five-match series. and Harshit Rana were two of the star performers for India in the pulsating clash.