By consent the main Writ Petition itself is taken up for disposal. The prayer in the writ petition is for issue of a writ of Certiorarified Mandamus to quash the Government order in G.O.(D) No.1374, Home Department dated 21.12.2006 and to direct the respondents to refix the petitioners seniority in the cadre of Sub-Inspector of Police giving correct placement along with 1987 open quota mode of selected candidates instead of placement along with 1995 selected Sub-Inspectors apart from fixing him in category-I on the strength of the marks scored by him in the final examination conducted by the Police Training College for fixing seniority and other benefits with effect from 1987.

2. By impugned Government order dated 21.12.2006, the petitioners request for revision of his seniority in the post of Sub-Inspector of Police either in category-I or category-III with effect from 1987 came to be rejected by relying upon Rule 24 (A) and Rule 15 of the Special Rules for Tamil Nadu Police Subordinate Service.

3. The petitioner was enlisted as Police Constable on 28.01.1975 and promoted as Head Constable in the year 1980. During 1983, the petitioner appeared before the selection boa