S. J. Suryaah had worked as an assistant director in Vasanth's Aasai which featured Ajith Kumar as well as working with him during the making of Ullaasam.
About the making of the film, Ajith mentioned that Vaali "was very close to my heart and I gave it everything I had", revealing that he had initially received a lot of bad publicity and scepticism for doing a dual role too early in his career [REF].