Malayalam actor Unni Mukundan, known for his work in films such as "D Company", "Vikramadityan" and "Fireman", will make his Telugu debut with upcoming Jr. NTR-starrer "Janatha Garage"."Unni has been roped in to play the baddie. It was after months of scouting for a suitable actor that the makers zeroed in on him. He will join the sets next month," a source from the film's unit told IANS.On Friday, Unni confirmed via a Facebook post that he is "excited" to be a part of the project.In the film, which will be directed by Koratala Siva, he will be playing superstar Mohanlal's son."It's a story that unfolds within a family between two cousins. NTR and Unni will be seen as cousins at loggerheads," the source added.Devi Sri Prasad will compose the music.