law: Delhi Rent Control Act, 1958 
  10. Fixation of interim rent. -
  If an application for fixing the standard rent
  
  or for determining the lawful increase of such rent is made under section 9,
  
  the Controller shall, as expeditiously as possible, make an order specifying
  
  the amount of the rent or the lawful increase to be paid by the tenant to the
  
  landlord pending final decision on the application and shall appoint the date
  
  from which the rent or lawful increase so specified shall be deemed to have
  
  effect.