Ranbir Kapoor and director Raju Hirani are soon going to work together on a biopic of Sanjay Dutt’s life. The duo will soon start shooting for the same. Well, as of now the cast of the film is not yet announced, except for Ranbir being finalized for the lead. Now, rumors are making rounds that one of the leading Bollywood actresses is supposed to have a cameo in the same. The actress has already worked in one of the blockbusters of the Hirani’s film.