Neil, who has earlier collaborated with Bhandarkar on 2009 film "Jail", joins Kirti Kulhari, who is in the lead role and Bengali actor Tota Roy Chowdhury in the film.
"After a superlative performance in #Jail @NeilNMukesh will join to play a pivotal character for the dramatic narrative of film #InduSarkar," Bhandarkar posted on Twitter.
"Indu Sarkar" will go on floors in December.