Byomkesh O Chiriakhana

Original title: ব্যোমকেশ ও চিড়িয়াখানা

Directed by Anjan Dutt

A retired judge, Mr. Sen, living in a farming colony on the outskirts of Calcutta, contacts Byomkesh Bakshi to investigate an attempt to blackmail him. One day, the judge is found dead under mysterious circumstances, and Byomkesh takes up the case.