As per earlier reports, Katrina Kaif was supposed to play the lead in the film opposite Sushant, who plays the protagonist.
"It's a sensitive love story and we are still in the scripting stage. Sushant is playing the lead and nothing else has been finalised, " Kapoor told.
The film is an adaptation of Charles Dickens's classic "Great Expectations" and Sushant's second movie with the director after the 2013 hit "Kai Po Che!".
The movie is being produced by Ekta Kapoor and is expected to go on floors by October this year.