Listen to Deewano Ko Pata Hai online. Deewano Ko Pata Hai is a Hindi language song and is sung by Jatin-Lalit, Udit Narayan and Sadhana Sargam. Deewano Ko Pata Hai, from the album Kehtaa Hai Dil Baar Baar (Original Motion Picture Soundtrack), was released in the year 2002. The duration of the song is 4:59. Download Hindi songs online from JioSaavn.