Every notification issued under this Act shall be laid, as soon as may be, after it is published in the Official Gazette, before each House of State Legislature while it is in session for a total period of fourteen days which may be comprised in one session or in two successive sessions, and if, before the expiry of the session in which it is so laid or the session immediately following, both Houses agree in making any modification in the notification or both Houses agree that the notification should be annulled, the notification shall thereafter have effect only in such modified form or be of no effect, as the case may be; so, however, that any such modification or annulment shall be without prejudice to the validity of anything previously done under that notification.