Son of Sardaar, also known by the abbreviated form SOS, is an upcoming Bollywood romance drama film directed by Ashwni Dhir.The film is a remake of Telugu movie Maryada Ramanna directed by S. S. Rajamouli, which in itself is a remake of the 1923 American silent movie Our Hospitality starring Buster Keaton and Natalie Talmadge. The film features Ajay Devgn, Juhi Chawla, Sanjay Dutt and Sonakshi Sinha in lead roles Directed by Ashwni Dhir Produced by Ajay Devgan, N.R.Pachisia & Pravin Talreja