law: Trade Monopolies and Restrictive Trade Practices Act, 1969 
  32. Monopolistic Trade Practice to be Deemed to be Prejudicial to the Public Interest Except in Certain Cases
  For the purposes of this Act,
  
  every monopolistic trade practice shall be deemed to be prejudicial to the
  
  public interest, except where –
  (a) such trade practice is expressly
  
  authorised by any enactment for the time being in force, or
  (b) the Central Government, being
  
  satisfied that any such trade practice is necessary
  (i) to meet the
  
  requirements of the defence of India or any part thereof, or for the security of the State; or
  (ii) to ensure the
  
  maintenance of supply of goods and services essential to the community; or
  (iii) to give effect to
  
  the terms of any agreement to which the Central Government is a party, by a
  
  written order, permits the owner of any undertaking to carry on any such trade
  
  practice.