law: The Joint-stock Companies Act, 1857
  XXXIX. Definition of special resolution.-
  A resolution shall be deemed to be a special resolution of the Company whenever the same has been passed by three-fourths in number and value of such shareholders of the Company, for the time being entitled to vote, as may be present in person or by proxy (in cases where, by the regulations of the Company, proxies are allowed) at any meeting of which notice specifying the intention to propose such resolution has been duly given, and such resolution has been confirmed by Majority of such shareholders, for the time being entitled to vote, as maybe present in person or by proxy at a subsequent meeting of which notice specifying the intention to propose such confirmation has been duly given, and held at an interval of not less than one month, nor more than three months, from the date of the meeting at which such special resolution was first passed; unless a poll is demanded by at least five shareholders, a declaration of the Chairman of any such meeting as is mentioned in this Section, that a special resolution has been carried or confirmed, shall be deemed conclusive evidence of the fact, without proof of the number or proportion of the votes recorded in favor of or against the same; notice of any meeting shall, for the purposes of this Section, be deemed to be duly given, and the meeting to be duly held, whenever such notice is given and meeting held in manner prescribed by the regulations of the Company.