Mumbai: Mumbai Police on Thursday registered an FIR against 14 persons, including Bollywood personalities Karan Johar, Deepika Padukone and Alia Bhat, organisers and participants of the controversial'AIB Knockout' show, a day after a court here ordered such an action. "An FIR was registered against 14 persons including actors Karan Johar, Ranveer Singh, Arjun Kapoor, Deepika Padukone and Alia Bhat," said an officer at Tardeo police station in South Mumbai. The FIR also names officials of the National Sports Club of India, Worli, in South Mumbai where the event was held in December last year.