JUDGMENT :

Chandra Dhari Singh, J.

1. The instant writ petition under Article 226 of the Constitution of India is filed for issuance of writ of mandamus or any other appropriate writ to quash and set aside order dated 15th May 2012 and for directing the respondents to grant pay band-2 with Grade Pay of Rs. 4600, with effect from, 8th August 2008, that is the date of promotion of the petitioner as an assistant.

FACTUAL MATRIX

2. The petitioner was relieved from his post of Upper Division Clerk (hereinafter “UDC”) at the Central Administrative Tribunal (hereinafter “CAT”) (PB) New Delhi and joined the respondent no.1/Telecom Disputes Settlement and Appellate Tribunal (hereinafter “TDSAT”) as UDC on deputation basis in the pay scale of Rs. 4000-6000 and was absorbed in the post on 31st May 2004. On 8th August 2008, the petitioner was promoted to the post of Assistant which he currently holds, in the pay scale of Rs. 5500-9000.

3. On 11th September 2006, a proposal was initiated by the respondent no.3 for upgradation of the pay-scale of the Assistants and Personal Assistants (hereinafter “PAs”) of Central Secretariat Service (hereinafter “CSS”) and Central Secretariat Stenographer Service (