(1)
If the Chairperson or, as the case may be, a Member,-
(a) becomes subject to any of the disqualifications mentioned in section 7; or
(b) tenders his resignation under sub-section (2) of section 5,
(2)
If a casual vacancy occurs in the office of the Chairperson or a Member, whether by reason of his death, resignation or otherwise, such vacancy shall be filled within a period of ninety days by making afresh appointment in accordance with the provisions of section 4 and the person so appointed shall hold office for the remainder of the term of office for which the Chairperson, or a Member, as the case may be, in whose place he is so appointed would have held that office.