CHANDIGARH: In a major setback to Dera Sacha Sauda and its head Gurmeet Ram Rahim Singh, the Central Bureau of Investigation (CBI) on Wednesday registered FIR against self-styled godman and others in the alleged forced castration of his followers at his Sirsa ashram.The registration of case comes at the time when Gurmeet Ram Rahim Singh's movie Messenger of God is all set to be released across the country. Dera followers are taking out processions and roadshows to promote the filmA case under sections 417, 326, 506 and 120B of IPC has been registered against Dera head and others at CBI's crime branch in New Delhi, confirmed the official spokesperson.The registration of case comes within three days after a team of CBI sleuths headed by Inspector took into possession the documents related to probe done by Haryana police into the allegations of castration leveled by Chauhan.According to reports, CBI has treated the petition filed by victim Dera follower Hans Raj Chauhan alias Hakiki in the Punjab and Haryana High Court Chandigarh as complaint. Taking cognizance of the petition, on December 23, the court had ordered a CBI probe in the matter.Chauhan had alleged that he along with some 400 saints of the Dera was castrated inside the ashram on the orders of Gurmeet Ram Rahim Singh. Seeking a CBI probe, Chauhan had claimed before the bench that castration process of Dera followers is being done by the chief through doctors employed in his hospital.The HC had earlier ordered medical examination of petitioner Chauhan from the government multi-speciality hospital which found that he has been castrated.Gurmeet Ram Rahim is also facing trial in connection with cases of murders of a journalist and a dera follower and sexual exploitation of his women disciples in Panchkula's CBI court.