Arulnidhi, grandson of Chief Minister M. Karunandhi and son of M.K. Thamizharasu is all set to debut as hero in an upcoming flick directed by Pandiaraj of Pasanga fame. M.K. Thamizharasu, who produced Gopura Vasalile almost two decades ago will produce the film and Sunaina will be the female lead. Sources say the film will be a romantic comedy with a village backdrop. Now Arulnidhi is all set to follow the footsteps of his uncles M.K. Muthu and M.K. Stalin who have acted in lead roles in the past.