Section 3. In section 48 of the principal Act,

13. In section 48 of the principal Act,— (a) in sub-section (2), for clauses (i) and (ii), the following clauses shall be "(i) the constitution of the Board, the number of persons to be appointed as members from each of the categories specified in clause (c) of sub-section (2) of section 4, the term of office and other conditions of service of, the procedure to be followed by, and the manner of filling vacancies among, the members of the Board; (ii) the circumstances in which, and the authority by which, members may be removed;"; (b) for sub-section (3), the following sub-section shall be "(3) Every rule made by the Central Government under this Act shall be laid as soon as may be after it is made before each House of Parliament while it is in session for a total period of thirty 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 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 case may be; so however that any such modification or annulment shall be without prejudice to the validity of anything previously done under that rule.".