Kadhalar Dhinam is a 1999 Indian Tamil-language romance film written and directed by Kathir. Produced by A. M. Rathnam od Sri Surya Movies, the film stars Kunal and Sonali Bendre in the lead roles, while Nassar, Manivannan, Goundamani and Chinni Jayanth play supporting roles. The film follows two youngsters whose romance begins through an internet chatroom but is threatened when the male has second thoughts after discovering his lover's true identity.