law: Delhi Rent Control Act, 1958 
  31. Fixing of fair rate. -
  (1) Where the Controller, on a written complaint
  
  or otherwise, has reason to believe that the charges made for board or lodging
  
  or any other service provided in any hotel or lodging houses are excessive, he
  
  may fix a fair rate to be charged for board, lodging or other services provided
  
  in the hotel or lodging house and in fixing such fair rate, specified
  
  separately the rate for lodging, board or other services.
  (2) In determining the fair rate under
  
  sub-section (1), the Controller shall have regard to the circumstances of the
  
  case and to the prevailing rate of charges for the same or similar
  
  accommodation, board and service, during the twelve months immediately
  
  preceding the 1st day of June, 1951, and to any general increase in the cost of
  
  living after that date.