Vishnu Manchu is gearing up for the release of the mythological epic Kannappa, and the actor has been busy promoting the movie with its crew. Now, Bollywood actor Akshay Kumar has showered praise on Vishnu for his unwavering dedication towards the film.Vishnu Manchu is gearing up for the release of the mythological epic Kannappa, and the actor has been busy promoting the movie with its crew. Now, Bollywood actor Akshay Kumar has showered praise on Vishnu for his unwavering dedication towards the film.