Saif Ali Khan and Kangana Ranaut will be seen debuting as a couple with Sujoy Ghosh?s next, an official adaptation of the Japanese novel, The Devotion of Suspect X. The film is all set to begin shooting by the coming month and is certainly one of the much anticipated ventures. However, Vidyut Jammwal, who plays a supporting cast in the film, has now backed out at the last minute. Yes!