R. Kaarthikeyan – IBR Achiever
R. Kaarthikeyan (born on July 27, 2011) of Salem, Tamil Nadu, is titled as ‘IBR Achiever’ for solving a 2×2 Rubik’s Cube in 6 seconds and 24 milliseconds, at the age of 12 years and 10 months, as confirmed on May 31, 2024.




