JUDGMENT

Sudhansu Jyoti Mukhopadhaya, J.

1. Leave granted.

2. This appeal is directed against the judgment and order dated 8th July, 2013 passed by the Division Bench of the High Court of Judicature at Madras in Writ Petition No.5508 of 2013. Initially, the appellant herein challenged the Government notifications dated 10th February, 2012 and 13th April, 2012 whereby 1st respondent was promoted and appointed to the Indian Administrative Service, before the Central Administrative Tribunal, Madras Bench by filing OA No.249 of 2012 and the same was allowed by order dated 18th February, 2013. By the impugned judgment the High Court set aside the said order dated 18th February, 2013 passed by the Central Administrative Tribunal.

3. The factual matrix of the case is as follows: The appellant and the 1st respondent are officers of Tamil Nadu State Civil Services. They were considered for promotion to the Indian Administrative Service (hereinafter referred to as the "IAS") against certain percentage of posts available for members of the State Civil Service.

4. On 1st September, 2009, the State o