Director Sujoy Ghosh, of Kahaani fame, has been signed on to direct the movie adaptation of a best selling novel. Balaji Motion Pictures Ltd has acquired the Hindi film adaptation rights of the book The Devotion of Suspect X, to be made into a major motion picture, an official release issued here said. The novel, written by Keigo Higashino, is the third in his cult Detective Galileo series. The novel won the 6th Honkaku Mystery Grand Prize, one of the most prestigious awards in the mystery novels category in Japan. Reportedly, the novel has already been adapted as film in Japanese and Korean languages, and is currently being made in Hollywood also.