(1) A member appointed under clauses (a), (b), (c) and (e) of Sub section (4) of Section 4 shall hold office for a period of three years from the date of his appointment, and a member appointed under clause (d) shall hold office for a period of two years from the date of his appointment :
*Provided that a member appointed under clauses (a), (b), (c) and (d) of sub-section (4) of section 4 shall eligible for reappointment for more that two terms and a member appointed under clause (e) shall not be eligible for reappointment for more than one term.
Provided further that such member shall cease to be a member if he ceases-
(i) to be a member of the House of Parliament by which he was elected; or
(ii) to represent the category from which he was appointed.
(2) A person appointed to fill a casual vacancy under sub-rule (2) of rule 3 shall hold office so long as the member whose place he fills would have been entitled to hold office, if the vacancy had not occurred.