( 1 ) BY means of the present writ petition, the petitioner has prayed for a writ in the nature of certiorari quashing the orders dated 24. 7. 2001 and 13. 12. 2000 ( respectively Annexures 12 and 11 to the writ petition), passed by Central Administrative Tribunal, Allahabad Bench, Allahabad (hereinafter referred to as the tribunal), in O. A. No. 1055 of 1998-Arun Kumar Srivastava v. Union of India and Ors. . Petitioner has also prayed for the quashing of the orders dated 28. 07. 1997, 21. 07. 1997, 03,01. 1997 and 23. 01. 1996 respectively Annexures 10, 9, 8 and 6 to the writ petition), passed by Railway Authorities in connection with seniority of the petitioner. The said orders were challenged by the petitioner before the Tribunal in the aforesaid Original application.

( 2 ) THE facts of the case are that the petitioner after having been selected through Railway Service commission started his career as Assistant Station Master and was posted at Allahabad. He was promoted after positive act of selection in the higher grade of Assistant Station Master i. e. Rs. 455-700 (revised Rs. 1400-2300) with effect from 01. 08. 1982. In 1988 the petitioner was medically deca