Shashi Kapoor refused the film because he did not want to work with Mumtaz. At the time Mumtaz was working in a lot of B Grade stunt films. Shashi did not want to work with a small heroine.
Rajesh Khanna had double role. First movie, where he plays the villain
In the fancy dress party, Ranjith (Rajesh Khanna) dresses up as Zorro.
The film was the second highest grosser of the year and was declared a super hit.
The performance of Rajesh Khanna was critically acclaimed and he won the Filmfare Best Actor Award for 1971.