Rajkumar Hirani is busy working on the script of Sanjay Dutt’s biopic. While Ranbir Kapoor has been finalized to immortalize the actor on the silver screen, the rest of the cast remains to be a subject of speculation. Rumor mills were abuzz with talks that Kangna Ranaut has been approached to play the role of Sanjay Dutt’s wife in the biopic, however according to reports, the actress denied being contacted for the same. Kangna is busy working with acclaimed filmmaker Vishal Bhardwaj for ‘Rangoon’. Also, Deepika Padukone and Kareena Kapoor Khan are speculated to play Ranbir’s sister on the silver screen, essaying the role of Priya Dutt.