Bharadwaj garnered critical acclaim and won accolades for adapting Maqbool (2003) from Macbeth, Omkara (2006) from Othello, and Haider (2014) from Hamlet.
"It's never easy to adapt a book and make it into a film as you are never satisfied with your script. But the good part is whenever you get stuck you always have something to fall back on," Vishal told PTI
"The reader should condition them and look at the film in a different way and not bring or think about the book," he said.
The 51-year-old filmmaker says he is attracted to suspense and espionage thrillers. "I want to make films in all genres. As a filmmaker, every genre excites me. But a suspense thriller, espionage these are my favourites (genre)," he added.
The "Haider" helmer is looking forward to the release of his next Rangoon, starring Saif Ali Khan, Shahid Kapoor and Kangana Ranaut in the lead.
"We are done with shooting. We will start promotions in December. The trailer and all will be out by then. We are yet to make the promo so it's too early to reveal with which film it will come," he added.
"Rangoon" is set in the backdrop of World War II and will see Saif essay the role of a filmmaker. The movie also stars Shahid Kapoor who plays a soldier and Kangana Ranaut who plays an actress.
The period-romance-drama is set to release in February next year.