Ishwar Chandra gained the title Vidyasagar which means ocean of knowledge in Sanskrit. He earned the title when he was studying at the Sanskrit College of Calcutta at 22 years of age.
The title Vidyasagar was given to him due to his vast knowledge on a multitude of subjects.
For further reading check the following articles:
- Ishwar Chandra Vidyasagar (26 September, 1820 – July 29, 1891)
- Revision Made Easy: Socio-Religious Reform Movements UPSC
- Indian Education System During British Rule