Kolkata, Dec. 26 -- As auteur Satyajit Ray's iconic Feluda film "Sonar Kella" (The Golden Fortress) marks 51 years, it continues to occupy a singular place in Bengali cinema, celebrated not merely as a beloved detective adventure but as a timeless cultural artefact that refuses to age.

The film revolving around the ever-popular Bengali fictional private investigator Pradosh Chandra Mitter alias Feluda, who is assigned the task of protecting a child Mukul, had hit the theatres on December 27, 1974, getting rave reviews from leading critics and receiving huge box office collection. It still draws a huge audience cutting across age and social barriers on the web, OTT platforms and television.

The gripping storyline begins with Mukul talking ...