Listen to Koi Kisi Ka Diwana online. Koi Kisi Ka Diwana is a Hindi language song and is sung by C. Ramchandra and Lata Mangeshkar. Koi Kisi Ka Diwana, from the album Sargam, was released in the year 1950. The duration of the song is 3:56. Download Hindi songs online from JioSaavn.