Santhanam Srinivasan also known as E.P.R is the front-man of the bands Underground Authority, Spliff and Fosapoy. He's one of the first rappers from Kolkata to make a mark. He is noted for his stage presence and passionate delivery of vocals. He's also the lyricist of the above mentioned bands and is a follower of Anarchist Communism, which can be seen in his works.
He was Top 2 in MTV Hustle 2019 and finalists of India's got talent season 2. He is been also awarded the best vocalist in Hornbill International Rock Contest 2013.