It is a well-known fact that music maestro A.R. Rahman's last outing in Kollywood was Vinnaithaandi Varuvaayaa in 2010. After that the musician was busy with Bollywood and international projects. Now the double Oscar winner has decided to concentrate on Tamil films. Right now he is busy with Rajinikanth's Kochadaiyaan, Mani Ratnam's Kadal, Vijay's Yohan Adhyayam Ondru, and Kamal's next film. It is also said that the Raavanan musician is also in talks with some leading filmmakers to sign the dotted lines.