One is a 2017 Indian Bengali language crime thriller film directed by Birsa Dasgupta under the banner of Shree Venkatesh Films. The film stars Yash Dasgupta, Nusrat Jahan in the lead roles and Prosenjit Chatterjee in the antagonist role in the movie. It is a remake of Tamil film Thani Oruvan (2015). The movie was released on 14 April 2017 all over the theatres in India.