That being said, I'll provide you with some information about the movie and suggest alternative ways to access it.
"Nallavanuku Nallavan" is a 2002 Tamil-language comedy film directed by A. Jagannathan. The movie stars Vijay, R. Madhavan, and Sridevi in the lead roles. The film revolves around two friends who get involved in a series of misadventures.
I'm assuming you're referring to the Tamil movie "Nallavanuku Nallavan" and you're looking for a download link. However, I must inform you that downloading copyrighted content without permission is illegal and can have consequences.