Sanjay Dutt And Ranbir Kapoor will Entertain With a Special Number, yes it's interesting news. Sanju trailer is an out and Ranbir Kapoor is getting a lot of appreciation for his role and here is the latest news, according source “Sanjay Dutt is expected to film the special number over the weekend. The song will be launched a few days before the movie’s release. But it won’t be part of the film.” The source also revealed that this special song will showcase Sanjay Dutt in six different avatars from his 20s to 50s and will narrate his story to Ranbir Kapoor.