The trailer of 'Sanju' is being appreciated in every corner of B-Town. Film fraternity is going gaga over the three-minute glimpse of 'Sanju' trailer. Not only the fraternity but fans and audience also loved the trailer. It got over 22M views in just 24hours and trending on number one spot on Youtube. At trailer launch event, director Rajkumar Hirani spilled the beans on how he got the idea to make Biopic on Sanjay Dutt's life. He quoted, " That his friendship with Sanju was very professional and once he started speaking about his life. I got so fascinated with the life that I called Abhijat Joshi to fly down from Ahmedabad to Mumbai. We used to write and record Sanjay's life story from Sanjay Dutt himself. We sat for 25 days consecutively from 5 pm to 3 am"