for a total period of thirty days which may be comprised in one session or in two or more successive sessions, and if, before the expiry of the session immediately following the session or the successive sessions aforesaid, both Houses agree in making any modification in the rule, or both Houses agree that the rule should not be made, the rule shall thereafter have effect only in such modified form or be of no effect, as the cases may be; so, however, that any such modification or annulment shall be without prejudice to the validity of anything previously done under that rule. Civil Appeal @ SLP (C) No.4106/2021 Page 8 of 38carrying out the purposes of the Act and without prejudice to the generality of the foregoing power, rules could be made regulating the award of punishment under Section 11. CRPF Rules, 1955 were notified by the Central Government. Rule 278 8 27. Procedure for the award of punishments — (a) [The punishments shown as items 1 to 11 in column 2 of the table] below may