law: Factories Act, 1948 
  5. Power to exempt during public emergency 
  In any case of public emergency the State Government may, by
  
  notification in the Official Gazette, exempt any factory or class or
  
  description of factories from all or any of the provisions of this Act 20[except
  
  section 67] for such period and subject to such conditions as it may think fit:
  
  
  PROVIDED  that no such notification shall be made for a
  
  period exceeding three months at a time.
   7  [Explanation :
  
  For the purposes of this section "public emergency" means a grave
  
  emergency whereby the security of India or of any part of the territory thereof
  
  is threatened, whether by war or external aggression or internal disturbance.]