Section 5(3)(d) in Allotment of Government Residences (General Pool in Delhi) Rules, 1963
(d)The inter-se seniority for the type IV(S) and above accommodation shall be considered on the basis of the following factors, namely:-(i)where the priority date of two or more applicants is the same, the applicant having a higher level pay in the level shall be senior in the waiting list;(ii)where the date of priority and the pay in the level of two or more applicants are the same, the applicant who has joined the Central Government service earlier shall be senior in the waiting list; and(iii)where the date of priority, pay in the level and the date of joining the Central Government service of two or more applicants are the same, the applicant retiring earlier may be accorded priority over the applicant retiring later.