For his 2001 film Lagaan, Aamir's dialogues were in local Avadhi. Sources say all of the actor's dialogues in Raju's film will be in Bhojpuri.
A source says, "Aamir's character is from a region in the country where Bhojpuri is spoken locally. He also had dialogues in Bhojpuri for a cola ad he did many years ago."
Peekay also features Anushka Sharma and Kai Po Che! actor Sushant Singh Rajput.