Oru Kal Oru Kannadi (OKOK), the debut film of Udhayanidhi Stalin is going on a rock speed in Chennai. Though the film's launch was postponed for few times but all seems to fine with the unit.

Hansika Motwani is Udhayanidhi's heroine in this film directed by Rajesh. Santhanam, the director's favorite comedian is also playing a major role and we can get to know that by having a glance at the first look posters. It is heard that the songs picturization will take place only the major part of the talkie portion is completed. Harris has completed recording one song and he is working on the remaining songs.

Hansika is going to join the unit from March 21^st, 2011. OKOK is a full length romantic and comedy blended with lots of emotions.

Red Giant Movies banner of Udhayanidhi Stalin's is producing the film.