the Appellate Authority acted in a mechanical manner. 12. In support of his submissions, Mr. Anand Shankar relied on a decision of this Court in General Officer Commanding-in-Chief & Anr. v. Subash Chandra Yadav & Anr11. 11 (1988) 2 SCC 351 Civil Appeal @ SLP (C) No.4106/2021 Page 14 of 38Issues 13. Having taken note of the rival submissions, the issues that arise for our consideration in this appeal are as follows: (i) Whether the punishment of compulsory retirement from service could have been imposed upon the respondent by relying upon the provisions of Rule 27 of the CRPF Rules? (ii) Whether Rule 27 of the CRPF Rules to the extent it provides for punishments other than those specified in Section 11 of the CRPF Act, ultra vires the CRPF Act and as such inoperable and void? (iii) Whether the punishment of compulsory retirement imposed upon the respondent suffers from any procedural infirmity and / or is shockingly disproportionate to the proven misconduct of the respondent? Civil