Case no. 107 is a novella written by Pranjal Verma which is based on crime fiction. The plot is thrilling and has engaging characters. The story basically revolves around the investigation of the murders. The investigation carried out by the Crime Unit officers makes the story mysterious and suspenseful. The themes that are portrayed are suspense, investigation and mainly on revenge. The writer's portrayal of the legal system is one of the book's strengths. Pranjal Verma builds tension through revelations and cliff-hangers at the correct timings which keeps the readers curious to know more. The twists in the plot are full of surprises and satisfaction. This shows Verma's mastery over crime fiction.