Pacer Harshit Rana, coming in as a concussion substitute for Shivam Dube, has become a huge talking point, and not many are pleased with this call.

England captain Jos Buttler said Harshit Rana was not a like-for-like replacement for Shivam Dube in the fourth T20I of the five-match series in Pune.

Kevin Pietersen fumed in the commentary box as pacer Harshit Rana replaced Shivam Dube as a concussion substitute in the 4th T20I match of the series. Rana bowled in the second half of the innings and picked up a wicket in his very first over.

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