Madras Talkies presents O Kadhal Kanmanis First Official Trailer! In theatres April 2015. Starring: Dulquer Salmaan, Nithya Menen Director: Mani Ratnam .\r<br>\r<br>O Kadhal Kanmani also known as OK Kanmani, is a Tamil romantic drama film directed by Mani Ratnam and produced by his home studio Madras Talkies.\r<br>\r<br>O Kadhal Kanmani (aka) OK Kanmani, is an upcoming Tamil romantic drama film directed by Mani Ratnam and produced by Madras Talkies.
