law: Public Premises (Eviction of Unauthorized Occupants) Act, 1971
  4.  Issue of notice to
  
  show cause against order of eviction. -
  (1) If the estate officer is of opinion that
  
  any persons are in unauthorized occupation of any public premises and that they
  
  should be evicted, the Estate Officer shall issue in the manner hereinafter
  
  provided a notice in writing calling upon all persons concerned to show cause
  
  why an order of eviction should not be made.
  (2) The notice shall-
  (a) specify the
  
  grounds on which the order of eviction is proposed to be made; and
  (b) require all
  
  persons concerned, that is to say, all persons who are, or may be in occupation
  
  of, or claim interest in, the public premises,-
  (i) to show cause, if
  
  any, against the proposed order on before such date as is specified in the
  
  notice, being a date not earlier than seven days form the date of issue
  
  thereof, and
  (ii) to appear before
  
  the Estate Officer on the date specified in the notice along with the evidence
  
  which they intend to produce in support of the cause shown, and also for
  
  personal hearing, if such hearing is desired.]
  (3) The Estate Officer shall cause the notice
  
  to be served by having it affixed on the outer door or some other conspicuous
  
  part of the public premises, and in such other manner as may be prescribed,
  
  whereupon the notice shall be deemed to have duly given to all persons
  
  concerned