The version of the song on the audio records featured Mahendra Kapoor's voice in addition to Mukesh's but he wasn't credited for it. Kapoor sang a refrain in the opening and interludes of what was essentially a Mukesh solo. The film version of the song did not feature Kapoor's voice.
According to Ravindra Jain, the tune of this song was inspired by a song he had composed. Singer Hemlata, who was acquainted with Jain from a young age, had apparently sung some of his compositions while auditioning with Naushad and Roshan during the early stages of her career. It is possible that Naushad had heard this tune during these auditions.[1]