G.S. SISTANI, J.

1. Challenge in this writ petition is to the order dated 06.05.2015 passed by Central Administrative Tribunal (hereinafter referred to as ‘the Tribunal’) by which OA No. 1303/2012 filed by the petitioner was dismissed by the Tribunal.

2. The brief facts, which are required to be noticed for disposal of the present writ petition, are that the petitioner was a Member of Indian Forest Service (Group-A) allocated to UT cadre in the year 1979 in ‘Junior Time Scale’ (JTS). He earned promotions in ‘Senior Time Scale’ (STC) and ‘Junior Administrative Grade’ (JAG) in the years 1983 and 1988, respectively. The petitioner joined the respondent in the year 1988 on deputation and was further appointed as ‘Deputy Secretary’ in the year 1989. Subsequently, the petitioner was absorbed in Research Analysis Services (in short ‘RAS’) being the Senior Executive Cadre of Research and Analysis Wing (hereinafter referred to as ‘RAW’) in 1989 by maintaining his original seniority of the year 1979. He was further promoted as ‘Director’ and ‘Joint Secretary’ in the years 1999