Heard learned counsel for the parties.

2. By the impugned order contained in letter no. 879 dated 20.5.2010 issued by the Deputy Secretary, Mines and Geology Department, Government of Jharkhand, Ranchi, respondent no. 4, the claim of the petitioner for release of arrears of difference of salary with retrospective effect consequent upon regular promotion on the post of Deputy Director w.e.f. 1.7.2001 has been rejected. Petitioner also seeks direction upon the respondents to forthwith release entire arrears of difference of salary w.e.f. 2.7.2007 to 15.12.2009 on account of the regular promotion to the post of Additional Director on which post, according to him, he was regularly discharging his duties from 2.7.2007 itself.

3. According to the petitioner, he was given additional charge to the post of Deputy Director under the Mines and Geology Department vide notification no. 4198 dated 1.11.1999 vide Annexure-1. He is said to have assumed charge on 4.11.1999 vide Annexure-2. Vide Annexure-3 notification no. 723 dated 28.5.2009, he was promoted to the post of Deputy Director with retrospective effect from 1.7.2001. The instant notification also refers that he was working as In-char