(1) Save as otherwise expressly provided in this Act, the term of office of members of the Corporation, other than [the members referred to in clauses (a), (b), (c), (d) and (e) of Section 4 and the ex officio member], shall be four years commencing from the date on which their [appointment] or election is notified:
Provided that a member of the Corporation shall, notwithstanding the expiry of the said period of four years, continue to hold office until the [appointment] or election of his successor is notified.'
(2) The members of the Corporation referred to in clauses [(a), (6), (c), (d) and (e)) of Section, 4 shall hold office during the pleasure of the Government [appointing] them.