(1) the Corporation shall, as soon as may be, after the appointed day and in such manner and subject to such conditions and restrictions as may be prescribed, establish for the purposes of section 9, one or more Recruitment Boards consisting wholly of persons other than the Members, officers and other employees of the Corporation:
     Provided that for the purposes of appointment to the posts carrying scales of pay which are not less than that of a Joint Secretary to the Central Government, the Recruitment Board shall consist of the Chairman, other Members, the ex officio Members, the Nominated Member and the elected Members.
     (2) The qualifications and other conditions of service of the members constituting the Recruitment Board and the period for which such members shall hold office, shall be such as may be prescribed.