Sudhir Babu is Mahesh Babu’s brother-in-law. Though his first film was well received he faced lot of criticism for his voice. It was said that his voice did not suit some scenes in the film. So for Prema Katha Chitram, Sudhir Babu has undergone training under music director R P Patnaik daily for one hour. Some people who have seen the film asked him if his voice has been dubbed, he told.