User talk:Chauhan9950

RAJAT CHOPRA
He was born in a village near shimla a small city of north india.His father is a banker and mother a house wife.He has one sibling Rohan chopra.During his childhood he showed extra interest in mathematics.At the age of 16 he found a substitution for calculus.In his first book about "10 methods to solve geometry problems" he shows his deep knowledge about the topic.