YOUNGEST TO TELL ALL COUNTRIES CAPITALS

The record for the youngest to tell the capitals of all countries was set by Rohan Roy (born on September 28, 2016) of Rajpipla, Gujarat.  At the age of 2 years 10 months and 1 day, he can tell the capitals of 195 countries, as well as all states and union territories of India in 5 minutes 26 seconds. The record stands confirmed on August 9, 2019.