This film was Rajnikant's first Hindi movie. Due to the film being dubbed in Hindi, its technically not considered his Hindi debut film. Andha Kanoon was his first Hindi movie that was not a dubbed film from the south.
This was the dubbed Hindi version of Kannada movie "Sahodarara Savaal". "Sahodarara Savaal" was remade in Hindi as "Chor Ka Bhai Chor" (1978). It starred Vishnuvardhan.
Rajnikanth's voice was dubbed by a dubbing artiste.