Section 21(1)(i) in Tamil Nadu Government Servants (Conditions of Service) Act, 2016
(i)in the case of a post for which the educational qualification prescribed is the minimum general educational qualification and above, he has passed the S.S.L.C. Examination or its equivalent examination with Tamil as one of the languages; or Studied the High School Course in Tamil medium and passed the S.S.L.C. Examination or its equivalent examination in Tamil medium; or passed the Second Class Language Test in Tamil conducted by the Commission;