K. Ridhanya Sri – IBR Achiever

K. Ridhanya Sri (born on October 14, 2015) of Kancheepuram, Tamil Nadu, is titled as ‘IBR Achiever’ for writing the squares of numbers from 1 to 100 in 2 minutes, 51 seconds and 92 milliseconds, on a sheet of paper, using a pen, at the age of 9 years and 11 months, as confirmed on October 13, 2025.