( 1 ) ALL these matters involving similar question of law and fact were taken up for hearing together and are being disposed of by this common judgment. inter-se seniority between the promotes and the direct recruits Assistant commandant is in question in these writ petitions. Border Security Force after the 1965 War was raised as an Armed Force of the Union. Personnel of the Border Security Force were deployed to man the borders with Pakistan which were being looked after by the respective Armed Police forces of the States concerned. The said Force was constituted in terms of the provisions of the Central Reserve Police Force Rules, 1955 (in short the said rules ), reason of a notification, the relevant provisions whereof are as under:

"notification: so In exercise of the powers conferred by section 18 of the Central reserve Police Force Act, 1949, the Central Govt. hereby make the fol lowing rules further to amend the Central Reserve Police Force Rules, 1955, namely :- 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. In the Central Reserve Police Force Rules, 1955, that "chapter XV special provisions relating to Border Security Force" and R