This Writ Petition has been filed challenging Govt.Lr.No.6287/ME.1/2002–2 dated 23.09.2002 and G.O.(4D)No.4, Municipal Administration and Water Supply Department, dated 26.08.1997, to refix the seniority of the petitioners in the category of Municipal Commissioners, Grade III as per Rule 2(c) of the Special Rules for Tamil Nadu Municipal Commissioner Subordinate Service and consequently refix the upgradation list of Municipal Commissioners, Grade II, issued in G.O.Ms.No.221, Municipal Administration and Water Supply Department, dated 28.09.1999 and to grant consequential service and monetary benefits including promotion, by preparing presumptive panel every year commencing from 1989 onwards as per Rules depending upon the vacancy that has arisen during the relevant period and by including the names of the petitioners in the appropriate place and year, within a time limit.