Sanitary Inspector examination was required for direct recruitment on the post of Sanitary Inspector, however, now, by way of the impugned amendment, rule has been amended and now, by the impugned amendment, the candidate has to pass B.Sc. in Biology from any recognised University and diploma in Sanitary Inspector from any recognised institute. It is the further case of the petitioners that they have passed National Trade Certificate course from the recognised NCVT, however, they have been excluded from consideration (who have obtained certificate course of National Trade Certificate from the NCVT), which is per se arbitrary, illegal and contrary to law and therefore rule to that extent deserves to be declared invalid and unconstitutional, as there is no legal nexus sought to be achieved by recognising diploma in Sanitary Inspector from recognised institute and as such, the subject rule enacted by way of the impugned amendment is not only arbitrary, but also suffers from vice of unreasonableness, therefore, it deserves to be struck down as unconstitutional to that extent by which the petitioners, who have passed National Trade Certificate conducted by the NCVT in the trade of Health Sanitary Inspector, have been excluded for consideration on the post of Sanitary Inspector in municipal services. The petitioners had also sought to challenge the notification dated 5th October, 2018 (Annexure P-3) by which the State Government has directed all the Commissioners of the