After going through a lot of names who could play the title role, Shah Rukh Khan, the producer of Chennai Express, has zeroed in on Deepika Padukone to play the female lead opposite him in the film to be directed by Rohit Shetty. The names that were floating around for the title lone included names like Kareena Kapoor, Katrina Kaif and Priyanka Chopra. <em>Chennai Express</em> is a hard-core commercial film with a romantic angle.