Explanation:

- Ajit Ninan: A well-regarded cartoonist known for his political and social cartoons. However, his autobiography is not titled ‘The Tunnel of Time’.

- RK Laxman: Renowned for creating the common man character and widely respected for his political cartoons. His autobiography is indeed titled ‘The Tunnel of Time’.

- OV Vijayan: An acclaimed Indian author and cartoonist, but not related to ‘The Tunnel of Time’.

- Mario Miranda: A celebrated cartoonist noted for his unique style, yet his autobiography is not ‘The Tunnel of Time’.