law: Pharmacy Act, 1948 
  25. Term of office and casual vacancies
  (1) Subject to the
  
  provisions of this section, a nominated or elected member, other than a
  
  nominated President, shall hold office for a term of five years from the date
  
  of his nomination or election or until his successor has been duly nominated or
  
  elected, whichever is longer.
  (2) A nominated or
  
  elected member may at any time resign his membership by writing under his hand
  
  addressed to the President, and the seat of such member shall thereupon become
  
  vacant.
  (3) A nominated or
  
  elected member shall be deemed to have vacated his seat if he is absent without
  
  excuse sufficient in the opinion of the State Council from three consecutive
  
  meetings of the State Council, or if he is elected under clause (a) or (c) of
  
  section 19 or 21, if he ceases to be a registered pharmacist or ceases to be a
  
  member of the Medical Council or Council of Medical Registration of the State,
  
  as the case may be.
  (4) A casual vacancy in
  
  the State Council shall be filled by fresh nomination or election, as the case
  
  may be, and the person nominated or elected to fill the vacancy shall hold
  
  office only for the remainder of the term for which the member whose place he
  
  takes was nominated or elected.
  (5) No act done by the
  
  State Council shall be called in question on the ground merely of the existence
  
  of any vacancy in, or any defect in the constitution of, the State Council.
  (6) Members of the
  
  State Council shall be eligible for re-nomination or re-election.