R. Harsha Vardhan – Appreciation
R. Harsha Vardhan (born on July 24, 2011) of Chennai, Tamil Nadu, is appreciated for solving 7 two-digit multiplication sums and 4 multiplication tables of 89, 73, 67, 92 by writing the answers on the blackboard in 3 minutes and 16 seconds at the age of 11 years and 8 months, as confirmed on April 18, 2023.