Lalmohan Ganguly, alias Jatayu − a sidekick of Feluda − gets invited to Mumbai (previously Bombay) to watch the shooting of a film based on a novel written by him. Once in Mumbai, he, along with Feluda and Topshe gets embroiled with underworld kingpins. He seems to have transported the Nana Sahib's necklace. But fortunately because of Feluda the real thief is caught and convicted. Although the original story was written in the 1970s, the movie is set in more recent times and depict the real problem of underworld involvement in Bollywood.

Detective Feluda, with the help of his nephew Topshe and the writer Jatayu, investigates smuggling and illegal trading in ancient sculptures across India.

By accident, more than anything else, the three find themselves beside the grave of Thomas Godwin. The grave was dug up by some miscreants for unknown reasons. The rather colorful history of Mr. Godwin makes Feluda curious to know more about the man.From the diary of Thomas' daughter Charlotte, Feluda finds that a very precious clock went to Thomas' grave with him. To his surprise, Feluda finds that another party knows about this clock and they are trying to get it aided by the letter with them. Thanks to the brilliance of the detective and the help of 'Haripodobabu', the chauffeur of Mr. Ganguli, a new introduction in this book, their plot is foiled.

Set in the holy city of Benares, this is the second film about the detective Feluda, who goes on a holiday with his cousin, Topshe, and his friend, Lalmohan Ganguly. But the theft of a priceless deity of Lord Ganesh (the Elephant God) from a local household forces him to investigate.

Feluda and his gang gets invited to North Bengal by a wealthy Zamindar to solve a piece of a puzzle supposedly leading to buried "treasure", but things take a turn for the unexpected with a mysterious death and rumors about a man-eating tiger in the jungles.

A young boy becomes a target for crooks, after he claims to remember his past life and mentions precious jewels in a golden fortress.

Feluda, the famous Bengali detective tackles an international buyer, a corrupt arts agent, numerous henchmen and impostors in this story that revolves around a painting of Jesus by the famous Italian painter Tintoretto.

The movie consists of two Feluda stories by Satyajit Ray, Samaddar-er-Chabi and Golokdham Rahashya, shown on either half of the film. It was a tribute to the 50-year anniversary of Feluda and a sequel to Royal Bengal Rahashya (2011).

Feluda and his cousin Topshe goes to Lucknow with Topshe's father to spend the Puja vacation. They arrived at the house of Dhirendra Kumar Sanyal, a friend of Topshe's father. That evening Dr. Shrivastav also came to Dhirendra Kumar Sanyal and tells him about last night, a thief tried to steal his 'Ring of Aurangzeb' (The Emperor's Ring) which was given to him by Pyarilaal Seth. After the incident Dr. Shrivastav has been afraid and asks Dhirendra Kumar Sanyal to keep the ring safe. Dhirendra Kumar Sanyal agreed and keeps the ring to his home. But someday the ring goes missing from there. Then Feluda and Topshe started investigation for the culprit. Meanwhile, Feluda meets an interesting person in doctor's neighborhood, Mr. Bonobihari Sarkar. Bonobihari babu has ferocious and poisonous creatures like crocodile, African tiger, hyena, rattlesnake, scorpion and black widow spider in his own home.

The suave Prodosh C. Mitter aka Feluda has ruled over our hearts with his sharp wit, impressive intellect and astute observation skills for over five decades now! The story starts off with the murder of Birupaksha Majumdar by Vishnudas Balaporia in the cold Darjeeling Mountains. Feluda, Topshey and Lalmohun Ganguly investigate.

Feluda, Topshe, and Lalmohan Ganguly go to Puri for vacation. One evening, the trio spot odd footprints on the sand. Later, Lalmohan Babu goes to meet an astrologer who is presumably gifted with extrasensory perception. Soon they stumble upon a dead body lying on the beach. Can they figure out the mystery?

The story revolves around a a boy with special abilities who is discovered by a magician who intends to take him to Chennai for a show but the boy disappears.

Famous Bengali private investigator Pradosh C. Mitter (Feluda) is hired by wealthy businessman Dinnanath Lahiri. His suitcase has been accidentally exchanged with someone on the Kalka Mail. Inside it is a valuable manuscript written by Shambucharan Bose. The case takes Feluda, Topshe and Jatayu to Shimla, where they discover a priceless diamond in a film container, disguised as a betel - nut. 'The Three Musketeers' face great danger in Shimla, before Feluda eventually solves the case.