Explanation:

- Rajkumar Rao: An acclaimed actor best known for his versatility in films like “Newton” and “Stree.” There is no report of an autobiography by him titled “Cracking the Code.”

- Amit Sadh: Known for his roles in “Kai Po Che!” and “Gold,” he has not been associated with writing an autobiography by this name.

- Sushant Singh Rajput: Excelled in roles like MS Dhoni and Manav in TV series. Sadly, no known autobiography by him exists titled “Cracking the Code.”

- Ayushmann Khurrana: A popular actor and singer known for movies like "Andhadhun." He is the author of "Cracking the Code: My Journey to Bollywood."