This article is about "Sonar Kella", the book, and the film alsoSonar Kella (Bengali: সোনার কেল্লা), also Shonar Kella, released in the United States as The Golden Fortress, is a 1971 mystery novel and a 1974 film by Bengali writer and director Satyajit Ray. The film is an adaptation of the novel with minor plot changes and features the actors Soumitra Chatterjee, Santosh Dutta, Siddartha Chatterjee and Kushal Chakraborty among others.