11.10.2000. The petitioner was all along treated as senior to respondents 4 and 5, and in Ext.P2 seniority list also petitioner was assigned rank No.2, whereas respondent Nos.4 and 5 were ranked as serial Nos. 7 and 5. When the Principal of the 6th respondent school retired from service, the said vacancy was filled by appointing the petitioner as Principal-in-charge, being the senior most teacher working in the higher secondary section. The same was approved by the Regional Deputy Director of Higher Secondary Education as per Ext.P3. Later the 6th respondent published the seniority list of teachers as of 01.06.2017 and 01.06.2018, whereby assigning rank to the petitioner below respondents 4 and 5 as per Exts.P4 and P5.