SAI VIHAAN TAMMANA S/o T.V.N.S.S.Sricharan born on 13th May , 2014 from Guntur, Andhra Pradesh, India has set an astonishing record by recognizing and reciting the National flags, Currencies and Capital Cities of all 198 Countries of the World .He can recall 118 elements of Periodic Table, 60 Telugu years alongwith telugu seasons, months, stars, tithis, zodiac signs .