Few detectives in Bengali literature are as iconic as Colonel Niladri Sarkar. Created by the legendary Syed Mustafa Siraj, the retired army officer-turned-naturalist and amateur sleuth has captivated generations with his brilliant deductions, wit, and love for unraveling the most baffling mysteries. ?Kaljoyi Karnel' brings together ten classic Colonel adventures in a single volume.Joined by journalist Jayanta, the Colonel ventures into haunted mansions, forgotten temples, royal estates, hidden caves, and remote landscapes where every mystery conceals an unexpected truth. Blending classic detective fiction, adventure, humour, history, and the supernatural, these stories showcase Siraj's unmatched ability to keep readers guessing until the final page. ?Kaljoyi Karnel? is a landmark collection in Bengali detective literature. Whether you're rediscovering the Colonel or meeting him for the first time, this timeless volume promises hours of unforgettable suspense.