Mumbai, Mar 5 (ANI): Bollywood filmmaker David Dhawan and star cast of the upcoming romantic action-comedy movie ‘Main Tera Hero’ came together to launch the music of the film at an event in entertainment capital Mumbai. The film that stars one-film old Bollywood actor Varun Dhawan and actresses Illeana D’cruz and Nargis Fakhri is a love triangle with a slew of twists and turns that promise an adrenaline rush to the audience.