of compulsory retirement as specified in Rule 27 of the CRPF Rules is ultra vires the provisions of Section 11 of the CRPF Act, which is exhaustive, and no punishment beyond what is specified therein can be imposed; (ii) Decision of this Court in Ghulam Mohd. Bhat (supra) is of no help to the appellants as it relates to the punishment of removal from 9 (2005) 13 SCC 228 10 (2016) 13 SCC 71 Civil Appeal @ SLP (C) No.4106/2021 Page 12 of 38service and not compulsory retirement from service; (iii) Rule 27 was framed in exercise of power delegated to the Central Government under clause (d) of sub-section (2) of Section 18 of the CRPF Act, which is only to regulate the award of minor punishment not to introduce any other species / kind of punishment. Therefore, a punishment which is not contemplated under the statute cannot be introduced by way of a rule, particularly in absence of specific delegation of power in this regard. Dismissal and compulsory retirement are two different kinds of