Petitioner joined service as Lower Division Typist in the Panchayat Department on 13-2-1967. She had the prescribed general qualification and the special qualification of Account Test, which were required for a Lower Division Clerk to be promoted to the cadre of Upper Division Clerk. She became an Upper Division Typist on 14-11-1973. On completion of 10 years service as Typist, she sought for category change as Upper Division Clerk. She was appointed as Upper Division Clerk in the Panchayat Department on 11-6-1979. She was confirmed in that cadre on completion of period of probation. In 1984, she was appointed as First Grade Executive Officer and she became Panchayat Inspector in 1987. While so, Ext. P1 notice dated 2-8-1989 was served on her informing her that she was not eligible for appointment as Upper Division Clerk since she had not passed the departmental test in M.O.P. Accordingly, she was called upon to show cause why her appointment as Upper Division Clerk should not be reconsidered She filed a detailed reply. After considering the reply, second respondent, Ext. P3 order dated 1-11-1990, reverted her to the post of Upper Division Typist in the office of Deputy