M. Sathyanarayanan, J.

The writ petition is filed for the issuance of writ of certiorari to quash the order dated 9. 2002 passed by the Central Administrative Tribunal (in short "Tribunal"), made in O.A.No.1077 of 2001.

2. The petitioners herein who are not parties to the said Original Application obtained leave and filed this writ petition.

3. The facts in brief which are necessary for the disposal of this writ petition are as follows:-

The petitioners herein joined the services of the -Department of Customs and Central Excise, Mumbai Customs House. In Chennai Customs House, certain 100% "Export Oriented Units" (EOU) and "Container Freight Stations" are functioning on cost recovery basis and Preventive Officers and Examiners of the Customs Department are being posted in those places and the cost of posting these officers being recovered from the Container Freight Stations and Export Oriented Units. Consequent upon the said requirement, there were short term vacancies and the same were filled by promoting officers the feeder cadres namely Tax Assistants, Upper Division Clerks and Stenographers on ad-hoc basis.

4. In view of the vacancies created in the feeder cadre, the