In 2005, Sarathkumar announced that he would be appearing in his 100th film titled Thalaimagan. The film was launched on 15 September 2005 with debutant R. D. Balaji as director with Cheran writing the screenplay.
Sarathkumar declared that he would star in his hundredth film titled Thalaimagan, which was released on September 15, 2005. The movie was directed by R. D. Balaji, an inexperienced director, and written by Cheran.