The buzz around Rajni’s next flick "Kochadiyaan" is getting bigger by the day.

Already, its director Soundarya has flown to Mumbai to record with Rahman while Aadhi and Shobana has been added to the cast.

Talks were on with Katrina Kaif about playing the heroine but nothing is confirmed yet. Now the latest buzz is that Sarath Kumar will play an important role.

This news was confirmed by Soundarya on her micro-blogging page.It would be interesting to see which of the other big names will be joining the "Kochaidaiyaan" band-wagon.