Material on record discloses that earlier, the petitioner has filed W.P.No.700 of 2015, for a Mandamus, directing the Teacher Recruitment Board, Chennai, to treat him, as a Tamil medium candidate, pursuant to G.O.Ms.No.145, P & AR (S) Department, dated 30.09.2010, for the post of Assistant Professor, under Notification No.4 of 2013, dated 28.05.2015, in which, the Member Secretary to the Teacher Recruitment Board, Chennai, has filed a counter affidavit, stating that the Government have issued G.O.Ms.No.145, P & AR (S) Department, dated 30.09.2010, reserving 20% of the vacancies, for Tamil medium candidates. Member Secretary, Teacher Recruitment Board, Chennai, in his counter affidavit to the abovesaid Writ Petition, has also stated that the Teacher Recruitment Board, Chennai, has notified, out of 1093 of all subjects, 140 vacancies have been earmarked for subject Mathematics. The Teacher Recruitment Board, Chennai, has reserved 24 vacancies for Tamil medium, preferential basis candidates. Member Secretary, has further stated that as per G.O.Ms.No.145, P & AR (S) Department, dated 30.09.2010, it has been clearly defined that “Persons Studied in Tamil Medium” means “persons, who obtained the educational qualification or qualifications, prescribed for direct recruitment, in the rules or regulations or orders applicable to any appointment, in the Services under the State through Tamil Medium of instruction”. He has further stated that for the post of Assistant Professor, the requisite qualification is “a pass in Post Graduate Degree and pass in UGC/CSIR/JRF/NET/SLET/SLST or Ph.D., degree in the relevant subject”.