R.V.Udayakumar is busy with Karka kasadara in which there are several firsts. Music is composed by newcomer Prayog and there are two foreign villains. One of them, Jack Ruphy, also helped the crew get the necessary permission to shoot in the US. Also Yomojo who is the son of Pavalar Varadarajan, brother of Ilayaraja has written the screenplay for the film.