Young director Maari Selvaraj had made his debut with the film Pariyerum Perumal which was produced by director Pa Ranjith. The film had turned a blockbuster and was critically acclaimed and won several awards at various film festivals. Post that film the director had signed a film with Dhanush which is tentatively titled as Karnan. The director who has attended an event in Pondicherry has opened about the film and said that the film will go on floors from December. He has also said that as Pariyeryum Perumal this film will also address an important issue and it will be a peoples film.