It is very interesting to see that Aynabaji was shot at Keraniganj Central Jail when this jail was not inaugurated so far. Besides, this movie was shot in Kashimpur Jail and shooting in real jail is a such a rare experience for BangladeshI movie.
Actor Chanchal Chowdhury has appeared in 6 different looks in the movie. More than any other actor has ever done in any single Bangla movie.
In one scene, Chanchal Chowdhury's character sings the song ''Nidhua Pathare'' which is actually from one of his another successful movie 'Monpura'.
In Bengali, Ayna means "mirror." In the movie, Ayna(Chanchal Chowdhury) mirrors other characters for a living.
Amitabh Reza Chowdhury: There is a cameo appearance of director Amitabh Reza Chowdhury as a prisoner in the climax scene when he meets Ayna inside the jail.