Commissionerate of Revenue Administration /Commissionerate of Land Reforms/Commissionerate of Urban Land Tax and Land Ceiling/Commissionerate of Survey and Settlement / Commissionerate of Adi-Dravidar Welfare/Commissionerate of Backward and Most Backward Classes Welfare etc., are separate establishments for recruitment, seniority and subsequent promotions etc., as per Rule 11 of Tamil Nadu Ministerial Service Rules. Hence, they should not be compared each other for any purpose. Moreover, while drawing the said City List Deputy Tahsildar panel for the year 2005 to 2011, the petitioner has not preferred any option for inclusion of his name in the list for the year 2006. Hence, the petitioner's contention is not true and liable to be rejected as false claim. Further, none of the junior to the petitioner from the Commissionerate of Land Administration establishment was included in the City List of Deputy Tahsildar for the year 2006. Hence, the 1st respondent herein have duly examined the appeal, review and revision petitions of the writ petitioner and repeatedly rejected the same as devoid of merits vide G.O.(2D).No.18, Revenue and Disaster Management Department, dated 23.01.2017 and G.O.(1D).No.567, Revenue and