The film was started in 1968 and delayed for 3 years. Shakti Samanta blamed it on Shammi Kapoor's weight problem.Shakti stated that Shammi had gained so much weight he could not fit him all in one frame. He requested Shammi to lose some weight. Shammi agreed and left for London. When Shammi returned he had gained even more weight.
This is one of two movies Shammi Kapoor and Vinod Khanna played siblings. In future films when Shammi Kapoor started playing elderly roles, he played his father or father-in-law or patriarch. The other is Preetam.
The film was initially started with Geeta Bali..This is also first and last time Kishore kumar sung for Shammi Kapoor. It was one of the four releases for Shammi Kapoor in 1971.Except Andaaj other three films Preetam Jane-Anjane and Jawan Mohobbat flopped. All four movies had music by Shankar-Jaikishan
This film was released after the super hit of Shakti Samanta's Aradhna.