"Did reading of MSDhoni's biopic with my favorite director Neeraj Pandey. What a brilliant script. He is a genius," Kher posted on Twitter.
Sushant Singh Rajput will essay the role of Dhoni in the film.
"M.S.Dhoni: The Untold Story" traces Dhoni's inspirational rise from humble beginnings in Ranchi to an icon. Pandey tries to uncover the personal and human story behind the icon - the untold story filled with humour, romance, tragedy and triumph.