N. Krivesh Sankar – IBR Achiever
N. Krivesh Sankar (born on January 10, 2022) of Thoothukudi, Tamil Nadu, is titled as ‘IBR Achiever’ for solving 3 in 1 set of 75-piece puzzle in 10 minutes and 39 seconds, at the age of 3 years and 7 months, as confirmed on August 23, 2025.
