 The song was "Parbaton Ke Pedon Par" and was sung by Mohammed Rafi and Suman Kalyanpur.Later on, they learned that this song was composed by Khayyam for a movie called Shagoon (1964).However, by the time Razia Sultan went on the shooting floors, Laxmikant-Pyarelal became the most-sought-after music director duo.