Thanikachalam Chetti was born in December 1874 and educated at the Madras Christian College and Madras Law College. He worked as a lawyer with the Short, Bewes & Co Short, Bewes and Co later became Bewes and Thanikachalam, one of the first Indo-British collaborations. Thanikachalam Chetti participated in the early sessions of the Justice Party and was responsible for drafting the resolutions in the Madras Legislative Council which eventually became the Communal G. O. of 1928.