Suriya's S3, the third installment in the superhit Singam series, is currently under shooting and it has Suriya, Shruthi Haasan, Anushka Shetty and many more. The third schedule of shooting for this cop thriller movie will commence tomorrow in Vizagapatam of Andhra Pradesh, and the lead heroine Shruti will be joining the sets in this schedule.Being directed by Hari, S3 will have songs by Harris Jayaraj. The film is expected to hit the screens for Diwali this year.