The provided text is an excerpt from the book "400 Days" by Chetan Bhagat. It tells the story of Keshav, a detective who is hired by Alia Arora to find her missing daughter, Siya. The story follows Keshav as he investigates the case, uncovering a web of secrets and lies within the Arora family. The story explores themes of family, love, and loss, as Keshav navigates the complexities of the case and his own personal life. Along the way, he encounters a cast of characters, including Alia's mother-in-law, Durga, who initially blames modern parenting for the kidnapping. The story culminates in a dramatic confrontation where Keshav discovers the truth behind Siya's disappearance and his own feelings for Alia.