Look who is doing a cameo in Sanjay Dutt's bipoic

We all know that Ranbir Kapoor is playing the lead in Sanjay Dutt's biopic and the Rockstar is leaving no stones unturned to ensure that he looks more and more like the actor. Where Paresh Rawal and Dia Mirza are already confirmed for the project 'Grand Masti' actress Karishma Tanna will also do a cameo in the film. It is an important role and the leggy actress is thrilled to share screen space with Ranbir Kapoor. "Yes, I am doing a guest appearance in the Sanjay Dutt biopic. I have shot for the first schedule of it," Karishma told a news portal. What role Karishma is playing is still not confirmed. The biopic, directed by Rajkumar Hirani, will also feature Vicky Kaushal, Anushka Sharma, Manisha Koirala and Sonam Kapoor.