Oru Kal Oru Kannadi (English: A Stone, A Mirror) abbreviated as OKOK is an Tamil romantic comedy film written and directed by M. Rajesh. It stars producer Udhayanidhi Stalin, in his acting debut, Hansika Motwani and Santhanam, whilst featuring Harris Jayaraj's music and Balasubramaniem's cinematography. The film was named after a song from the film Siva Manasula Sakthi(2009).…