These original petitions are filed by Arabic Teachers, whose appointment as full-time teachers in the respective Lower Primary Schools had been approved by the Assistant Educational Officer concerned since 1982-83. The facts in O.P.No. 9273 of 1985 are as follows. The petitioner was appointed as a full-time Arabic Teacher on 15-7-1982 in an additional post, which was sanctioned in the staff fixation for the year 1982-83. Her appointment was approved for the year 1982-83 by the proceedings Ext.P1 of the Assistant Educational Officer. The post was continued in the subsequent years 1983-84,1984-85 and 1985-86 as well and the petitioner continued in service. While so, the Accountant General by his proceedings dated 8-2-1985, raised objection to the sanctioning of the additional post of full-time Arabic Teacher in the school in 1982-83. It was his view that the strength of Muslim pupils studying Arabic did not warrant the additional post and that the additional post had been sanctioned contrary to the provisions of Rule 2A(1) of Chapter XXIII of the Kerala Education Rules (the rules ). On the objection being raised, the Assistant Educational Officer instructed the Manager by