The buzz around superstar Rajinikanth's Kochadaiiyaan the first photorealistic 3D film produced in India and directed by Soundarya is getting bigger.

The audio of the film will be launched on March 9 at 9 am at Chennai's popular multiplex Sathyam Cinemas by Amitabh Bachchan.

The music director of the film AR Rahman will be present along with the rest of the cast and crew. A trailer and two songs from the film is likely to be shown to the select invitees at the function.

Kochadaiiyaan has Rajinikanth, Deepika Padukone, Jackie Shroff, Sarath Kumar, Aadhi, Shobana and others in the cast. The film is jointly produced by Eros International and Media One Global Entertainment.

It is being planned as a big summer release on April 11. The producers are planning to release it in nearly a dozen languages in nearly 6000 screens worldwide.