Irrfan Khan, who has been away from the city for four months for his cancer treatment, wanted to see his upcoming film, “Karwaan.” As the film`s release date is scheduled to release on August 3, Khan wished to see the final edit before it hit the screens. Producer Ronnie Screwvala arranged a special screening of the road trip film in London. The screening was also attended by Khan`s wife, Sutapa Sikdar. After the film screening, he had some minor suggestions for the team but overall, his family and he seemed pretty pleased. “Karwaan,” marking the debut of Dulquer Salmaan (in Hindi) and Mithila Palkar, revolves around three oddballs from different walks of life who are thrown together on a bizarre journey that helps them find normalcy in their lives.