National Mathematics Day 2020. on December 22 ,Every year this day will celebrated for the great mathematician who has born in Chennai and given lots of contribution to the mathematical analysis, infinite series, continued fractions and number theory and he discovered his own theorems and compiled as many as 3900 results independently. In his short life whatever he had wealthy ideas about transformed and reshaped ,still its continuing in 21st centenary on his name .let's salute to an Indian mathematician and be pride as Indian.