Tamil Nadu Public Service Commission (TNPSC) the erstwhile Madras Service Commission came into being under an Act of the Madras Legislature in 1929. This was the first Service Commission of India. The Madras Service Commission turned in to Madras Public Service Commission in the year 1957 with its headquarters at Madras. It was in 1970, when Madras province was changed into Tamil Nadu, the Madras Public Service Commission became the Tamil Nadu Public Service Commission (TNPSC). The working of Tamil Nadu Public Service Commission (TNPSC) is regulated under Articles 16, 234, 315 to 323 of the Constitution of India, the Tamil Nadu Public Service Commission Regulation, 1954 and the TNPSC Rules of Procedure.