Listen to Aap Ne Farz Nibhaya Hai online. Aap Ne Farz Nibhaya Hai is a Hindi language song and is sung by R.D. Burman, Kishore Kumar and Lata Mangeshkar. Aap Ne Farz Nibhaya Hai, from the album Chalta Purza, was released in the year 1977. The duration of the song is 3:09. Download Hindi songs online from JioSaavn.