Srihan R. Renjith – IBR Achiever
Srihan R. Renjith (born on October 11, 2019) of Thiruvananthapuram, Kerala, is titled as ‘IBR Achiever’ for solving 18 sums, consisting of 4 and 5 digit addition, 4 digit subtraction, 4 digit by 1 digit division and 4 digit by 1 digit multiplication, on a sheet of paper in 17 minutes and 56 seconds, at the age of 5 years and 8 months, as confirmed on July 9, 2025.
