Oru Kal Oru Kannadi () abbreviated as OKOK is a 2012 Indian Tamil-language romantic comedy film written and directed by M. Rajesh. It stars producer Udhayanidhi Stalin, in his acting debut, Hansika Motwani, Santhanam and Saranya Ponvannan, whilst featuring Harris Jayaraj's music and Balasubramaniem's cinematography.Jayaraj to give music for Rajesh's OKOK. The Times of India. (17 January 2011). Retrieved 2012-05-08. The film was named after the song of the same name from the film Siva Manasula Sakthi (2009). Releasing on 13 April 2012, it opened to highly positive reviews and became a blockbuster. The film ran for 175 days in theatres.Hansika hikes her fee to 75 lakhs. The Times of India. (22 April 2012). Retrieved 2012-05-08.Oru Kal Oru Kannadi to be remade in Bollywood. The Times of India. (22 April 2012). Retrieved 2012-05-08. It was eventually released in Telugu as OK OK on 31 August 2012.
