214th  Top people by Erd%C5%91s number: #2 
Ramachandran Balasubramanian is an Indian mathematician and is currently the Director of the Institute of Mathematical Sciences in Chennai, India.^{[1]} He is known for his work in number theory, which includes settling the final g(4) case of Waring's problem in 1986.^{[2]}^{[3]} His Erdős number is 2.^{[4]}^{[5]}
He has received the following awards:

