Release: 17 February 2017 (USA)
Info IMDB: https://www.imdb.com/title/tt6299040/?ref_=nv_sr_1
Stars: Rana Daggubati, Kay Kay Menon, Atul Kulkarni
Director: Sankalp Reddy
Writers: Sankalp Reddy (story and screenplay), Niranjan Reddy (story and screenplay)
Decription: A Pakistani submarine, Ghazi plans to secretly attack Vizag port. For doing so, it has to get past Indian submarine S21.