Kushi is a remake of Mani Ratnam's Sakhi. If you may recall, Sakhi was a blockbuster hit in 2000. Madhavan and Shalini were part of the film. It was directed by Mani Ratnam. Kushi's trailer has been compared with a few scenes from Sakhi.
What is surely awesome about the film is the music. Devi Sri Prasad comes out with a catch-all album and his many songs alone make the love story somewhat layered.