You're referring to the popular Pakistani book "Pk" by Javed Akhtar, commonly known as Jaggu Sahni. Here is some information about the book:
Stranded in India, PK encounters various characters, including a TV reporter, a film star, and a scientist. Through his interactions with these individuals, PK learns about human behavior, emotions, and relationships. He becomes particularly close to a TV reporter, who helps him navigate human life.
: A novel that discusses pro-life issues and faith through the story of a high school basketball player. It is not related to the Aamir Khan movie. Farishta by Kapil Isapuri Pk Book By Jaggu Sahni
: The story ends with a poignant look at love, as PK leaves Earth without confessing his feelings for Jaggu to ensure she stays with her true love. Real-World Availability
Social Satire: Through innocent, childlike questions, the character exposes the hypocrisies and "fear-based marketing" used by self-proclaimed gurus like Tapasvi Maharaj. Themes in Jaggu’s Narrative You're referring to the popular Pakistani book "Pk"
Fans of the book praise its "no-nonsense attitude." One verified reader wrote:
The keyword "Pk Book By Jaggu Sahni" refers to a central plot element in the 2014 blockbuster Indian film PK, directed by Rajkumar Hirani. In the movie's conclusion, the female lead, Jagat "Jaggu" Janani Sahni (played by Anushka Sharma), publishes a book titled PK to document the extraordinary journey of the alien visitor who forever changed her life and the society around her. The Story Behind the Book Why You Should Read Pk Book
Why You Should Read Pk Book