Sharing a new poster of Sanjay Dutt's biopic 'Sanju', filmmaker Rajkumar Hirani wrote, "This day in 1981 released Sanju's first film 'Rocky'. Here is Ranbir (Kapoor) in that look." Sanjay's debut film 'Rocky' was directed by his father Sunil Dutt. 'Sanju' also stars Dia Mirza as Sanjay's wife Maanayata and Manisha Koirala as his mother Nargis.