Petition under Article 226 of the Constitution of lndia praying that in the circumstances stated in the affidavit filed therewith, the High Court may be pleased to issue a writ, order or / direction, more particularly one in the nature of WRIT OF MANDAMUS, declaring the action of the respondents in issuing impugned G.O.Ms,No.03, SCHOOL EDUCATION (SER ll) DEPARTMENT, dated- 23.01.2023, G.O.Ms.No.05, School Education (Ser.ll) Department, dated25.01.2023 and Telangana School Educational Service Rules for the posts of Head Masters, Grade - ll (Gazetted) in Zilla Parishad Schools in Telangana vide its and issued guidelines vide its Proceedings Rc. No 565/Trans/Ser.lV-212022, dated- 26.01.2023 by non-considering the promotions of the petationers from School Assistants to Panel Grade Head Masters - Grade - ll and Secondary Grade Teachers (SGT) to School Assistants is an ultravires, illegal, ex-facie, arbitrary, discriminatory, unjust, unfair, whims and fancies and irrational, unreasonable, unlawful, unconstitution a I and in vrolation of principles of natural justice and also in violation of Articles 14, 16,21 and 309 of the Constitution of lndia and against to the Catena of Judgments of an Apex Court and this Hon'ble Court and set aside the same and consequently direct the respondents not to implement the impugned Service Rules, 2023 dl disposal of the W.P.No.16255 of 2022, which are pending before learned Single Judge.