Mumbai (Maharashtra) [India], June 4 (ANI): After a thrilling trailer, the makers of the much-anticipated thriller ‘Blackout’ starring Vikrant Massey, Mouni Roy and Sunil Grover on Tuesday unveiled a soulful new song titled ‘Kya Hua’ from the film. Taking to Instagram, Vikrant treated fans with a song video and captioned the post, which read, “#KyaHua? A new hit just dropped Have you heard it yet. KyaHua Song Out Now!” The song was sung and composed by Vishal Mishra. The song features Vikrant Massey, Mouni Roy, Sunil Grover, social media sensations Karan Sonawane and Saurabh Ghadge alongside J…