The Girl in Room 105 is the eighth novel and the tenth book overall written by the Indian author Chetan Bhagat.The book became a bestseller based on prearranged sales alone. It tells about a IIT coaching class tutor who goes to wish his ex-girlfriend on her birthday and finds her murdered. The rest of the story is his journey where he stands by his ex-girlfriend after her death to find justice. The book also addresses the stereotypes and political issues we face in India.
The novel opens up with a conversation of the author of the book, Chetan Bhagat with a fellow passenger on a midnight IndiGo flight from Hyderabad to Delhi. After an initial conversation, Chetan agrees to listen to the story of the fellow passenger. Soon after, the fellow passenger starts narrating his story to the author.