Ranbir Kapoor has made an inspiring transformation for the untitled biopic on Sanjay Dutt. The actor has built up a lot of muscles, bringing to the silver screen Dutt’s beefed up times. Ranbir’s trainer Kunal Gir shared a picture with the actor, who is seen flaunting his physique. His picture was taken when the actor was shooting with Sonam Kapoor and Anushka Sharma in New York, USA for the Dutt biopic. Sanjay Dutt biopic is one of the most awaited films of 2018, with Rajkumar Hirani immortalizing his favorite actor on the silver screen.