A. Sai Magizhndhan – IBR Achiever
A. Sai Magizhndhan (born on July 25, 2019) of Madurai, Tamil Nadu, is titled as ‘IBR Achiever’ for counting from 100 to 1 in 2 minutes and 12 seconds, at the age of 4 years and 5 months, as confirmed on January 4, 2024.