Despite the title, the film is not based on freedom fighter Mangal Pandey .
This film delayed about 4 years due to Parveen Babi going abroad.
This film was supposed to be Anu Malik first release as music composer. Instead Harmesh Malhotra started another film Poonam with Anu Malik composing music. When Mangal Pandey was released some of Anu Malik's films were already released.
When this film was in the making, Ajit who was playing the villian of the film, had already retired and moved to his home town, bur he had completed work in Mangal Pandey.
After this film Parveen Babi signed some films opposite Shatrughan Sinha.