law: Companies Act, 1956
  Sec 16    -    
  
  Alteration of memorandum. 
  (1) A company shall not alter the conditions
  
  contained in its memorandum except in the cases, in the mode, and to the
  
  extent, for which express provision is made in this Act.
  (2) Only those provisions which are required
  
  by section 13 or by any other specific provision contained in this Act, to be
  
  stated in the memorandum of the company concerned shall be deemed to be
  
  conditions contained in its memorandum.
  (3) Other provisions contained in the
  
  memorandum, including those relating to the appointment of a managing director
  
  or manager, may be altered in the same manner as the articles of the company,
  
  but if there is any express provision in this Act permitting of the alteration
  
  of such provisions in any other manner, they may also be altered in such other
  
  manner.
  (4) All references to the articles of a
  
  company in this Act shall be construed as including references to the other
  
  provisions aforesaid contained in its memorandum.