Durgo Rahasya (Bengali: দুর্গরহস্য, romanized: Durgarahasya, lit. 'The Mystery of the Fortress') is an adventure detective novel written in 1952 by Sharadindu Bandyopadhyay.^[1]

Characters

• Byomkesh Bakshi
• Ajit Bandyopadhyay
• Satyabati
• Dr.Ashwini Ghatak
• Professor Ishan Chandra Majumder
• Sadhu Rambinod Singh
• Ramkishore Singh
• Secretary Chandmohan Dutta
• Bangshidhar Singh
• Manilal
• Murlidhar Singh
• Haripriya
• Ramapati
• Tulsi
• Gadadhar Singh
• Ganapat (servant)
• Sitaram
• Ataullah
• Bulaki Lal (coachman)
• Himanghu (lawyer)

Adaptations

Television

• This was one of the stories of 1993 TV series Byomkesh Bakshi titled "Kile Ka Rahasya".,^[2] that were recreated for broadcasting on Doordarshan, the Indian National Network, by Basu Chatterjee, and immediately went on to become one of the most memorable episodes.
• The story adapted into another TV series in 2014 named Byomkesh, which aired on Bengali channel ETV Bangla.

Web Series

• This is the last of all the stories adapted into series where Bengali film actor Anirban Bhattacharya played the role of Byomkesh. However, the adaptation of this story isn't directly related to Byomkesh and is a spin-off to the original series.

Film

• In 2023, Byomkesh O Durgo Rahasya, a film based on this novel, directed by Birsa Dasgupta will be released where Dev essayed the character of Byomkesh Bakshi.