Listen to Deewana Deewana (Jhankar) online. Deewana Deewana (Jhankar) is a Hindi language song and is sung by Kumar Sanu and Kavita Krishnamurthy. Deewana Deewana (Jhankar), from the album Gajab Tamaasa (Jhankar), was released in the year 1992. The duration of the song is 6:34. Download Hindi songs online from JioSaavn.