The 1st trailer of Udhaynidhi Stalin's debut film Oru Kal Oru Kannadi (OKOK) directed by Rajesh was screened on the diwali day along with the prints of Suriya's 7am Arivu. Hansika Motwani will play the female lead opposite Udhaynidhi.

As usual Santhanam stole all the credits & applause from the audiences who enjoyed his dialogues. Harris Jayaraj composes music for this film & this is the 1st time he is teaming up with director Rajesh.

This film will hit the silver screen in December & most expected audio from Harris Jayaraj will get launched in November.

Check out the trailer