Mahesh Babu is finally ready to make his debut in Tamil cinema. He will enter Kollywood with his latest bilingual movie, "Brahmotsavam". As per reports Tamil hero turned character actor Satyaraj has been roped in to play Mahesh Babu's father in "Brahmotsavam".Since the makers are promoting the film as a Tamil-Telugu bilingual, they felt Sathyaraj's presence in a major role will appeal to Tamil audiences. Rakul Preet Singh and Pranitha will play the female lead in "Brahmotsavam".Satyaraj earlier played Prabhas father role in Mirchi movie. He will next appear in Prabhas Baahubali movie.Regular shoot of this film commences from July 10. The makers are planning to release the movie on January 8, 2016. Its known that family hero Jagapatibabu will appear as Mahesh father in Srimanthudu movie.