P. K. Sahana – IBR Achiever
P. K. Sahana (born on June 7, 2012) of Chennai, Tamil Nadu, is titled as ‘IBR Achiever’ for recalling 160 abbreviations (with full forms) of educational and medical terms in 4 minutes and 45 seconds, at the age of 13 years and 6 months, as confirmed on December 12, 2025.
