K.S. Radhakrishnan, J.

1. We are in these cases concerned with the interpretation of R.5(b) of the Special Rules for the Kerala Dental Education Service, 1975 read with R.10(ab) of Part II of the Kerala State and Subordinate Services Rules, 1958.

2. OP No. 2306 of 2G01 was preferred by the appellant in W. A. No. 1893 of 2002 seeking a writ of certiorari to quash Ext. P8 revised select list by which fourth respondent was granted the date of assignment in the cadre of Assistant Professor earlier than the petitioner accepting her plea that she had acquired the qualification earlier than the petitioner when the vacancy in the post of Assistant Professor arose on 1-5-1988. Petitioner was appointed as Tutor in Dentistry on 26-7-1978 as per the advice of the Kerala Public Service Commission dated 4-7-1978. Fourth respondent was also advised by the Public Service Commission for the post of Tutor in Dentistry on 20-7-1981. At the time of joining duty petitioner possessed BDS qualification prescribed for the post of Tutor while the fourth respondent was having MDS qualification. Promotion