Challenge in these appeal is, to the orders, made in W.P.Nos.464 and 465 of 2011, by which, a learned single Judge has dismissed both the writ petitions. W.P.No.464 of 2011 is filed for a Declaration, declaring the appointments of respondents 30 to 43 as Scientific Assistant Grade II in the Forensic Sciences Department, under 10(a)(i) of the General Rules of the Tamil Nadu State and Subordinate Service Rules, after 9 December 1988, when the said posts have been brought under the purview of the Tamil Nadu Public Service Commission, as illegal. W.P.No.465 of 2011 is filed for a Certiorarified Mandamus, to quash the proceedings in G.O.Ms.No.996, dated 04.07.1997, issued by the Secretary to the Government, Home Department, Chennai, first respondent, regularizing the services of respondents 4 to 29 and the consequential proceedings in Ref.No.A1/40004/2010 O.O.No.126/2010, dated 8.12.2010, issued by the Director, Forensic Sciences Department, Chennai, third respondent herein, and with a prayer to direct the third respondent, to re-draw the seniority list reckoning the date of notification i.e.13.09.1989 and 22.11.1996 issued by the Secretary, Tamil Nadu Public Service Commission, Chennai, second respondent, for direct recruitment to the post of Scientific Assistant Grade II, as the date for fixing the seniority of the petitioners and other regularly selected candidates, as per rule 2(14) of the Tamil Nadu State and Subordinate Services Rules and fix the regularisation in the post of Scientific Assistant Grade II.