| 1. Viswanath relocated to Bangalore when he was 5 years old. |
| 2. He made a remarkable cricket debut for Spartan Sports Club. |
| 3. During his cricket career, he achieved a double century in his first-class debut and scored a century in a Test match. |
| 4. Viswanath marked his Ranji Trophy debut by scoring an unbeaten 209 runs on the first day. |
| 5. He had an impressive record partnership of 316 runs with Yashpal Sharma. |
| 6. His final international match was in 1983 against Pakistan. |
| 7. After retiring from playing, Viswanath served as a match referee and later as the Chairman of the national selection committee. |
| 8. He is the only cricketer to score a double century on first-class debut and a century on Test debut. |
| 9. In 2008, he received the C. K. Nayudu Lifetime Achievement Award. |
| 10. He was known for his wristy strokes and impeccable timing, earning the nickname 'Wristy Wonder'. |
| 11. Viswanath played a crucial role in India's batting lineup throughout the 1970s and 1980s. |
