order. However, notwithstanding the explanation, charge sheet was issued under Section 17(a) of the Tamil Nadu Civil Services (Discipline and Appeal) Rules against the petitioner on 02.06.2008, for which, the petitioner submitted an explanation on 24.10.2008 stating that he had acted well within the jurisdiction of the office in which he was holding. However, inspite of the explanation offered by the petitioner vide G.O. (D) No.114 Public Works (E1) Department dated 13.04.2009, the petitioner was imposed with the punishment of withholding of increment for a period six months without cumulative effect vide proceedings dated 13.04.2009, which proceedings is impugned in the present writ petition. In the meanwhile, the petitioner was also due for promotion in June 2010 and a representation was also submitted by him on 14.06.2010, claiming promotion as Special Chief engineer. However, the said representation was rejected on 24.06.2010 because of the currency of punishment. While so, on 30.06.2010, some of the petitioner's juniors came to be promoted as Chief Engineer and Special Chief Engineer as the case may be. In the said circumstances, when the petitioner further made a request for promotion, the same was rejected on 01.11.2010.