Motivational speaker Brad Cohen whose story has inspired Bollywood film 'Hichki' says he loved Rani Mukherji’s “Black” movie, in which she played a disabled girl. As in Hichki, Rani Mukherji is playing the role of the teacher suffering from Tourette syndrome according to him, he was quite surprised to know that, asked about if he watched any of Rani's film. Rani is organising a screening in the US for the real-life inspiration of her forthcoming film "Hichki", popular motivational speaker Brad Cohen, and his students.