The Zoo
Chiriakhana (original)
When Byomkesh Bakshi's new client, Dr. Nishanath Sen, is murdered at Golaap Colony, he decides to probe into the case with the help of his close aide, Ajit.
Starring Uttam Kumar, Gitali Roy, Subhendu Chatterjee, Kalipada Chakraborty, Nripati Chatterjee, Shekhar Chatterjee, Subrata Chatterjee, Nilotpal Dey, Bankim Ghosh
Watch "The Zoo" on Amazon Prime released in 1967. It's a crime and drama movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.