Listen to Aa Gaya Aapka Diwana online. Aa Gaya Aapka Diwana is a Hindi language song and is sung by Sudesh Bhosle and Usha Khanna. Aa Gaya Aapka Diwana, from the album Muhabbat Ki Hai Humne, was released in the year 1989. The duration of the song is 4:36. Download Hindi songs online from JioSaavn.