law: Essential Services Maintenance Act, 1968 
  3. Power to prohibit
  
  strikes in certain employments. – 
  1.     
  
    Power
  
  to prohibit strikes in certain employments. If the Central Government is
  
  satisfied that in the public interest it is necessary or expedient so to do, it
  
  may, by general or 67 special Order, prohibit' strikes in any essential service
  
  specified in the Order.
  2.     
  
    An
  
  Order made under sub-section (1) shall be published in such manner as the
  
  Central Government considers best calculated to bring it to, the notice of the
  
  persons affected by the Order.
  3.     
  
    An
  
  Order made under sub-section (1) shall be in force for six months only, but the
  
  Central Government may, by a like Order, extend it for any period not exceeding
  
  six months if it is satisfied that in the public interest it is necessary or
  
  expedient so to do.
  4.     
  
    Upon
  
  the issue of an Order under sub-section (I),- 
  a.     
  
    no
  
  person employed in any essential service to which the Order relates shall go or
  
  remain on strike ;
  b.    
  
    any
  
  strike declared or commenced, whether before or after the issue of the Order,
  
  by persons employed in any such service shall be illegal.