Dhruv Sarwin A. – IBR Achiever
Dhruv Sarwin A. (born on December 12, 2020) of Tiruvallur, Tamil Nadu, is titled as ‘IBR Achiever’ for answering 102 questions on ‘Space and the Solar System’ in 5 minutes and 53 seconds, at the age of 4 years and 9 months, as confirmed on September 25, 2025.



