law: Maternity Benefit Act,1961 
  2. Application of Act 
   4  [(1) It applies, in the first instance- 
  (a) to every establishment being a factory,
  
  mine or plantation including any such establishment belonging to government and
  
  to every establishment wherein persons are employed for the exhibition of
  
  equestrian, acrobatic and other performances;
  (b) to every shop or establishment within the meaning
  
  of any law for the time being in force in relation to shops and establishments
  
  in a State, in which ten or more persons are employed, or were employed, on any
  
  day of the preceding twelve months:]
  PROVIDED  that the State Government may, with the approval
  
  of the Central Government, after giving not less than two months' notice of its
  
  intention of so doing, by notification in the Official Gazette, declare that
  
  all or any of the provisions of this Act shall apply also to any other
  
  establishment or class of establishments, industrial, commercial, agricultural
  
  or otherwise.
  (2) 5[Save as otherwise provided in 6[sections
  
  5A and 5B] nothing contained in this Act] shall apply to any factory or other
  
  establishment to which the provisions of the Employees' State Insurance Act,
  
  1948 (34 of 1948), apply for the time being.