Shahrukh Khan's film with Tamil hitmaker Atlee is making headlines since its announcement. It was earlier reported that Telugu superstar actress Nayanthara will be making her Bollywood debut with the upcoming venture. The actress has already started shooting for the project. While the fans have almost all the information regarding the movie, they are still clueless about the film's title. Earlier, reports claimed the film will be called Jawaan. Now, A letter from Sun Day Films, which assists in the making of films, is going viral where the company seeks permission for shooting an SRK film directed by Atlee. In the letter, the film's title is mentioned as Lion.