upgradation of his APAR for the year 2011-2012 and also sought information under the Right to Information Act, 2005 vide application dated 23.10.2017. The information sought was supplied by the Railway Board vide letter dated 10.11.2017 along with extracts of the DPC proceedings. From the said proceedings, the applicant came to know that his case had been considered for promotion to SAG and that, in terms of Railway Board's letter dated 15.12.2015, the prescribed benchmark for such promotion was “Very Good” in each of the preceding five APARs. The DPC had considered the applicant's APARs up to March 2015. While the APARs for the relevant period were graded “Very Good”, except for the years 2010-2011 and 2011-2012, which were graded “Good”, the applicant was not found fit for promotion to SAG on account of his failure to meet the prescribed benchmark. The grievance of the applicant is that the benchmark of “Very Good” in each of the preceding five APARs was introduced only vide Railway Board's letter dated 15.12.2015, whereas the APARs considered by the DPC related to periods prior thereto. According to the applicant, prior to issuance of the said letter, the benchmark for promotion was based upon the prescribed point system and the grading of “Good” was not treated as an adverse entry. The applicant has, therefore, questioned the application of the revised benchmark to APARs for the years preceding 15.12.2015. In respect of the APAR for the year 2010-2011, the applicant was posted at Chapra Health Unit and was performing various duties, including maintenance of Accident Relief Medical Equipment (ARME), medical examination of railway employees and attending to the medical requirements of Chapra Railway Station. No complaint regarding cleanliness or sanitation of the railway station or colony was recorded against the applicant by the Reporting or Controlling Authority, nor was any adverse observation in this regard made by the Reviewing or Accepting Authority during the relevant period. In respect of the APAR for the year 2011-2012, the Reporting Officer recorded, inter alia, that the tasks assigned to the applicant were managed well, that sanitation at Chapra Railway Station had improved, that the applicant possessed adequate knowledge as a general medical practitioner and applied the same in