SUMAN SHYAM, J.

1. Heard Mr. N. Dutta, learned senior counsel assisted by Mr. P. Phukan, learned counsel appearing for the writ petitioner. I have also heard Mr. C. Baruah, learned Standing Counsel, Assam Public Service Commission, appearing on behalf of respondent Nos.1, 2 and 3 as well as Mr. A. Thakur, learned Standing Counsel, Department of Personnel, Government of Assam, appearing for the respondent No.4.

2. The facts of the case necessary for disposal of this writ petition are these. The Assam Public Service Commission (APSC) i.e. the respondent No.1 herein, had issued an advertisement notice dated 03.07.2015 inviting applications for holding a Preliminary Examination of the Combined Competitive Examination(CCE), 2015 for screening the candidates for the Mains Examination to be conducted by the Commission for recruitment in various posts in the Assam Civil Service. In response to the advertisement dated 03.07.2015, the petitioner had submitted his candidature and had appeared in the Preliminary test. Having qualified in the Preliminary test, the petitioner was issued admit card bearing Roll No: 0904553 permitting him to write the Mains Examination. Based on his score