law: Delhi Rent Control Act, 1958 
  46. Landlord’s duty to give notice of new
  
  construction to Government. -
  Whenever, after the commencement of this Act,
  
  any premises are constructed, the landlord shall, within thirty days of the
  
  completion of such construction, give intimation thereof in writing to the
  
  [Director of Estates] or to such other officer as may be specified in this
  
  behalf by the Government.