Superstar Rajinikanth's new look in his most-anticipated movie "Kochadaiyaan" created huge buzz in social media circles. Now, there is more good news for the actor's delighted fans.

The makers of "Kochadaiyaan" have decided to release a video of the making of the film with a song sung by the superstar himself. "The song starts with appa's voice. It's a fabulous number which I think is one of A R Rahman sir's best ever!," director Soundarya Rajinikanth told The Times of India.

Soundarya has not revealed the release date of the video, but said it would be released soon.

"We are also looking at exploring the gaming and merchandise avenue options as well. The making-of-the-movie video is being done so that people understand the effort that's behind this venture," she said.

Ever since "Kochadaiyaan" went on floors, the film has raised expectations as it features Rajinikanth, who will be seen onscreen after a gap of three years when his last movie "Robot" ("Endhiran") was released.

"Kochadaiyaan" marks the debut of Rajinikanth's second daughter, Soundarya, as a director. The film is promoted as the first 3D Indian movie to use state-of-art motion capturing techniques. The trailer will be launched in May at the prestigious Cannes Film Festival. The audio will be launched after the trailer launch.

The film is expected to get released in July in Tamil, Telugu, Malayalam and English. It is jointly produced by Eros International and Media One Global Entertainment. A R Rahman has composed the songs and Rajiv Menon handled the cinematography. 

Rajinikanth appears in a dual role as father and son. Bollywood actress Deepika Padukone plays the female lead. The rest of the star cast includes Jackie Shroff, Nassar, Adi and Sarath Kumar.