Gangtokey Gondogol (গ্যাংটকে গন্ডগোল - 1970, Trouble in Gangtok) is the fifth story in the Feluda series and was published in Sharadiya Desh in 1970. The story begins when Feluda and Topshe take a summer holiday to Gangtok, the capital of Sikkim. When their plane lands at Bagdogra Airport after a flight from Dum Dum, they meet a man named Sasadhar Bose, a businessman trading in aromatic plants, who asks them if he can come to Gangtok in their jeep. They hear people talking about an accident where a man had been killed in a freak accident by a falling boulder on the road. Mr. Bose discovers that this man was, in fact, his business partner, Mr. Shivkumar Shelvankar. After reaching the hotel, Feluda and Topshe are introduced to a man named Nishikanto Sarkar who says that he had sold a Tibetan statue, called "Yamantaka" to the dead man, Mr. Shelvankar. Later, Feluda and Topshe meet a German photographer who claims to be called Helmut Ungar. He tells them about a certain Dr. Vaidya, who claims to be able to act as a medium, read palms and predict the future. They visit the Tibetan Institute to investigate about the statue, and when they return they discover that Mr. Bose is leaving for Bombay, so they ask him to investigate when he reaches. Mr. Sarkar invites them to a Lama dance in Rumtek Monastery. That night, somebody throws a note into Mr. Sarkar's room, with the Tibetan word for death written on it. Suspecting foul play, Feluda and Topshe then go to the site of Mr. Shlevankar's accident to investigate, and they discover that his death was actually not an accident! Feluda then launches an investigation that takes him and Topshe through many scenic but dangerous places all over Sikkim - making this novel a hair-raising adventure.