O Kadhal Kanmani (English: Oh Love, Apple of my Eye), also known as OK Kanmani, is a 2015 Indian Tamil romantic film written, directed and produced by Mani Ratnam. The film stars Dulquer Salmaan and Nithya Menon in the lead roles. The film is about Adhi (Dulquer) a happy-go-lucky lad, bumps into Tara (Nithya Menon), a bubbly girl loaded with energy and fall in love. The duo have plenty in common and the most striking one is that they both hate marriage. So after flirting with each other, they move in together for a live-in relationship. Their jolly go stint rocks on until that juncture comes when they have to answer the big question of whether to move forward or not. (CBFC UA DIL/2/27/2015-CHE)