Explanation:

• ‘An Unsuitable Boy’ is Karan Johar’s autobiography.

• Karan Johar is a big name in Bollywood—director, producer, and TV host. The book talks about his personal journey, struggles with identity, Bollywood stories, and family life.

• Akshay Kumar (option 2) is a superstar actor, but he hasn’t written an autobiography called ‘An Unsuitable Boy.’

• Anurag Kashyap (option 3) is known for edgy films, but this book isn’t his story.

• Salman Khan (option 4) is a huge actor, but he hasn’t got an autobiography by that title either.