Tintin in India: The Mystery of the Blue Diamond is a 1941 Belgian theatre piece in three acts written by Hergé and Jacques Van Melkebeke. It features Hergé’s famous character Tintin and covers much of the second half of Cigars of the Pharaoh as Tintin attempts to rescue a stolen blue diamond. The events of the story occurs within the chronology of Tintin stories between The Crab with the Golden Claws and The Shooting Star.