Explanation:

- Anupam Kher, a versatile actor, authored the autobiography "Lessons Life Taught Me Unknowingly."

- ?? Option 1 - Anupam Kher: He recounts stories and experiences from his life and career in this book.

- Option 2 - Anil Kapoor: Known for his film roles, but hasn't penned an autobiography with this title.

- Option 3 - Paresh Rawal: Another talented actor, yet not linked to this autobiography.

- Option 4 - Naseeruddin Shah: Authored a different autobiography, "And Then One Day."

- Option 5 - Amitabh Bachchan: While an iconic actor, he hasn't written this book.