Sanjay Dutt was the choice of the role of coach which is played by Randeep Huda.
Sultan was initially named Dangal. Coincidentally Dangal is Aamir Khan's upcoming film releasing this december. Its too based on wrestling
Kangana Ranaut rejected the film . She called Aditya Chopra over to her house to explain that she did not want to work with any Khans. Aditya was fine about it. But Kangana went to the media and told them she did not need any film with the Khans. Thats why she rejected the film. Aditya heard this and was angry. He called Kangana and told her she was finished.
Deepika Padukone and Parineeti Chopra were also considered for the role of lead actress, before Anushka Sharma got the part.
Salman Khan's second and bollywood's third movie to cross 300 crore mark.