This was hard to believe for the fan of Bollywood actor Varun Dhawan who admitted that his upcoming movie is the toughest movie of his career. Varun Dhawan is one of the most promising actors of this generation. He has an impressive list of films in his kitty and is now all set to appear in his upcoming film 'October', leading by Shoojit Sircar. Talking about the film, the actor said that it is one of the toughest films of his career. The 'Judwaa 2' star, on Monday, conducted a Twitter session with his fans where one of his followers asked Varun about his "toughest performance so far". Talking about his shooting experience. Varun had recently said, "It feels amazing. We wrapped up the film in 38 days. 'October' is more than a film to me. I don't want to say much about it, but this film has definitely impacted me so much as a human being. I think it has definitely changed me as a human being." Bollywood star Varun Dhawan, who is all set to star in Shoojit Sircar’s ‘October’, has said that it is one of the toughest films of his career. The ‘Judwaa 2’ star, on Monday, conducted a Twitter session with his fans where one of his followers asked Varun about his ‘toughest performance so far.