T. Nandakumar Singh, J.

1. Heard Mr. Somik Deb, learned Counsel appearing for the Petitioner. Also heard Mr. A. Lodh, learned Addl. S. G. appearing for the Respondent-5, Mr. S. M. Chakraborty, learned senior counsel appearing for the Respondents-1 and 2 and Mr. S. Chakraborty, learned Addl. G. A. for the Respondent No. 3.

2. Sans unnecessary details, concise facts leading to the filing of the present writ petition is recapitulated; the Petitioner is now working as Assistant Registrar in the Gauhati High Court, Agartala Bench. The Petitioner initially joined Government service under the Department of P & T, North East Circle, Shillong as Stenographer Grade II in the pay scale of Rs. 1400-2300 pm; while working in the above pay scale, Petitioner proceeded on deputation on 3.2.86 as Stenographer Grade-C in the office of the Central Administrative Tribunal (for short CAT) with deputation allowance @ 20%. While rendering his service as Stenographer Grade-C in the CAT, he was promoted as Stenographer Grade-B, which is a gazetted post, with effect from 04.11.1986.

3. While serving as Stenographer Grade-B (Gazetted Post) having the pay scale of Rs. 2000-3200/- pm; even though the Peti