Sai Vihaan Tammana (born on May 13, 2014) of Visakhapatnam, Andhra Pradesh, is appreciated for telling the capitals, currencies and flags of 198 countries, reciting 60 Telugu years, Telugu months, tithis, nakshatralu, ruthuvulu and raasulu, all continents, oceans and capitals of all Indian states, as confirmed on July 06, 2020.