T.L. Viswanatha Iyer, J.

1. Petitioner was an applicant for appointment as High School Assistant (Social Studies) in Government service. She belongs to the Dheevara community. The Kerala Public Service Commission (the Commission, for short) published rank list which came into force on 12-2-1990. is the list of candidates selected from the Dheevara community for appointment in their quota, the petitioner was shown as having rank No. 1, and the fifth respondent was shown as having rank No. 2. Petitioner was accordingly advised for appointment in a vacancy reserved for Dheevaras by the advice memo Ext. P1 dated 12-7-1990, Pursuant thereto, petitioner was appointed as a teacher in the Government High School at Meeachaatha by the proceedings Ext. P2 dated 25-7-1990 of the Director of Public Instruction. While working as such, the District Officer of the Commission at Kozhikode issued a memo Ext. P4 dated 8-1-1991 to the petitioner which read as follows:

"Your name has been included as Rank No. 1 (one) in the supplementary ranked list of Dheevara Community prepared for the post of High School Assistant (Social Studies) in the Education Department, Kozhikode District which came into