Rani Mukerji's upcoming film, Hichki, finds itself mired in controversy. As soon as the trailer was out on Tuesday, it was found to be similar to the Hollywood film, Front Of The Class (2008). Yesterday, Australia-based author Nishant Kaushik, in a series of tweets, claimed that the film is based on a story he had submitted to director Siddharth P Malhotra in 2015.