7. (1) Where the Commission is of opinion that Stock Exchange or any member, director or officer of a Stock Exchange has contravened any provision, or has otherwise neglected or failed to comply with any requirement, of this Ordinance, or of any rule, regulation or direction made or given thereunder, the Commission may, if it considers it necessary for the protection of investors or to ensure fair dealings or fair administration of the Stock Exchange so to do, by order in writing,- (a) suspend for such period as may be specified in the order the transaction of any business on the Stock Exchange; (b) cancel the registration of the Stock Exchange; (c) supersede the governing body or other authority of the Stock Exchange; (d) remove the director, officer or member from his office in, or membership of, the Stock Exchange: Provided that no such order shall be made except after giving the governing body or other authority or, as the case may be, the director, officer or member, an opportunity of being heard. (2) An order made under clause (c) or clause (d) of sub-section (1) may also direct that the functions of the governing body or other authority which has been superseded or of the director or officer who has been removed shall be performed by such authority or person as may be specified therein. (3) An order under sub-section (1) shall have effect notwithstanding anything contained in any other law for the time being in force or in any Memorandum or Articles of Association: Provided that no order made under clause (a) or clause (b) of sub-section (1) shall affect the validity of any contract lawfully entered into before the date of such order.