Nandamuri Balakrishna ,Trisha,Radhika Apte Starrer 'Lion' movie releasing on May day (May 1) makers are planning to release audio on April 9 ,AP CM Nara Chandrababu Naidu will grace the function as chief guest. Balakrishna will be seen as Cbi officer . Sathya deva is doing his debut a director with this film. total talkie part shooting completed makers are busy with post production works . Rudrapati Ramanarao producing this film under SLV Cinema banner .