V. Ramasubramanian, J.

1. This writ petition challenges an order of the Hon'ble Chairman of the Central Administrative Tribunal, refusing to change the composition of a Full Bench constituted by him, comprising of two Administrative Members and one Judicial Member.

2. We have heard Ms.R.Vaigai, learned counsel for the petitioner and Mrs.R.Maheswari, learned Senior Central Government Standing Counsel, appearing for the respondents 1 to 3.

3. The petitioner is working as an Engine Fitter SK (Skilled) in INS Kattabomman, Naval Base. He received a show cause notice dated 10.11.2008, proposing to revise the seniority list of Engine Fitters, on the basis of the judgment of the Central Administrative Tribunal, Madras Bench made in O.A.No.371 of 2007 dated 26.6.2008. As per the show cause notice, it was proposed to place the fourth respondent in this writ petition as senior to the writ petitioner.

4. Since the show cause notice was issued on the basis of the judgment of the Central Administrative Tribunal, in an application to which the writ petitioner was not a party, the petitioner filed W.P.No.8391 of 2009 challenging the order of the Tribunal in O.A.No.371 of 2007. But the writ pet