Sonada along with Abir and Jhinuk join the festival of Durga Puja in that mansion and stumble upon the lost clues that may lead them in unearthing one of the greatest treasures of Bengal.
[9] Firstpost's editor Bhaskar Chattopadhyay rated the movie 3 out of 5, saying "Durgeshgorer Guptodhon, like his previous film, too tells the adventurous story of the trio, who has by now captured the imagination of Bengali audiences, both young and old.
Flavored in a dizzying marinade of history and lore, and garnished with ample doses of puzzles, riddles, ciphers, and hidden codes, it is one of the more intelligent Bengali films in recent times.
The puzzles seem neither fake nor forced, the clues are in fact quite exciting to decode, and the overall breezy nature of the storytelling ensures that even the strictest of critics have a jolly good time.
[10] A sequel titled Karnasubarner Guptodhon was released on 30 September 2022, with Abir Chatterjee, Arjun Chakraborty and Ishaa Saha reprising their roles, directed by Dhrubo Banerjee.