law: Companies Act, 1956
  Sec 19    -     Effect
  
  of failure to register. 
  (1) No such alteration as is referred to in
  
  section 17 shall have any effect until it has been duly registered in
  
  accordance with the provisions of section 18.
  (2) If the documents required to be filed with
  
  the Registrar under section 18 are not filed within the time allowed under that
  
  section, such alteration and the order of the Company Law Board made under
  
  sub-section (5) of section 17 and all proceedings connected therewith, shall,
  
  at the expiry of such period, become void and inoperative :
  Provided  that the Company Law
  
  Board may, on sufficient cause shown, revive the order on application made
  
  within a further period of one month.