Major Md. Delwar Hossain, widely recognized by his pen name Del H Khan, is a retired officer of the Bangladesh Army and a prolific writer. He has authored numerous books focusing on military history, strategy, and historical fiction. His works are known for their analytical depth and engaging narratives. After completing his service in the Bangladesh Army, Del H Khan transitioned into writing and has since become a notable figure in the field of military literature. His books have gained popularity among readers interested in military affairs and history.