Director Vetrimaran revealed in an interview to a popular daily on replacing Trisha with Topsy in Aadukalam. Trisha was initially signed to play the lead role in the film opposite Dhanush, but the lady backed out later. Vetrimaran says that Trisha had participated in the first schedule of the shooting and shot some scenes for four days. But the team did not get permission to shoot in some of the locations they had planned and her dates expired.In the intermediate time, the lady bagged a prestigious offer in Bollywood and the team decided to let her go. Vetrimaran clarifies that there is no misunderstanding with Trisha. The director is also gung-ho about the project being marketed by Sun Pictures as he is sure it will give it a very big reach.
