Perarasu is a 2006 Indian Tamil-language vigilante action film directed by Udhayan in his debut. The film stars Vijayakanth in dual roles, alongside Debina Bonnerjee, Prakash Raj, Sarath Babu, Anandaraj and Pandiarajan. The music is composed by Pravin Mani. The film was released on 14 September 2006.

Plot

CBI officer Kasi Viswanathan is entrusted to investigate the mysterious disappearance of Judge Sadhasivam. The Kasi Viswanathan team comprises junior officer DCP Kesavan Nair IPS and a head constable Kandhasamy.