Director Sandeep Reddy Vanga sprung a surprise! When it was least expected, the filmmaker released an audio clip, which he described as the sound story of his upcoming film, starring Prabhas. On the occasion of the superstar's birthday, Sandeep's late-night surprise sparked a fan frenzy. "Happy Birthday Prabhas anna Presenting a 'SOUND-STORY' in five Indian languages straight from the heart, for every fan who's felt his," he posted with fire emoji. View this post on Instagram A post shared by Sandeep Reddy Vanga (@sandeepreddy.