law: Public Premises (Eviction of Unauthorized Occupants) Act, 1971
  2.  Definitions.-
  In this Act, unless the context otherwise
  
  require,-
  (b) "Estate Officer" means an
  
  officer appointed as such by the Central Government under section 3;
  (c) "premises" means any land or any
  
  building or part of building and includes,-
  (i) the garden,
  
  grounds and outhouses, if any, appertaining to such building or part of a
  
  building, and
  (ii) any fittings
  
  affixed to such building or part of a building for the more beneficial
  
  enjoyment thereof;
  (d)
  
  "prescribed " means prescribed by rules made under this Act;
  (e) "public premises" means-
  (1) any premises
  
  belonging to, or taken on lease or requisitioned by, or on behalf of, the
  
  Central Government, and includes any such premises which have been placed by
  
  that Government, whether before or after the commencement of the Public
  
  Premises (Eviction or Unauthorized Occupants) Amendments Act, 1980, under the
  
  control of the Secretariat of either House of Parliament for providing
  
  residential accommodation to any member of the staff of that Secretariat;
  (2) any premises
  
  belonging to, or taken on lease by, or on behalf of,-
  (i) any company as
  
  defined in section 3 of the Companies Act, 1956, in which not less than
  
  fifty-one per cent, of the paid up share capital is held by the Central
  
  Government or any company which is a subsidiary (within the meaning of that Act
  
  ) of the first-mentioned company.
  (ii) any corporation
  
  (not being a company as company as defined in section 3 of the Companies Act,
  
  1956 or a local authority) established by or under a Central Act and owned or
  
  controlled by the Central Government.
  (iii) any University
  
  established or incorporated by any Central Act.
  (iv) any Instituted
  
  incorporated by the Institutes of Technology Act, 1961.
  (v) any Board of
  
  Trustees constituted under the Major Port Trusts Act, 1963.
  (vi) the Bhakra
  
  Management Board constituted under section 79 of the Punjab Reorganization Act,
  
  1966 and that Board as and when re-named as the Bhakra- Beas Management Board
  
  under sub-section (6) of section 80 of that Act.
  (vii) any State
  
  Government or the Government of any Union Territory situated in the National
  
  Capital Territory of Delhi or in any other Union Territory.
  (viii) any Cantonment
  
  Board constituted under the Cantonments Act, 1924 (2 of 1924); and
  (3) in relation to the
  
  [National Capital Territory of Delhi],-
  (i) any premises
  
  belonging to the Municipal Corporation of Delhi, or any municipal committee or
  
  notified area committee,
  (ii) any premises
  
  belonging to the Delhi Development Authority, whether such premises are in the
  
  possession of, or leased out by, the said Authority;
  (iii) any premises
  
  belonging to, or taken on lease or requisitioned by, or on behalf of any State
  
  Government or the Government of any Union Territory.
  (f) "rent", in relation to any
  
  public premises, means the consideration payable periodically for the
  
  authorized occupation of the premises, and includes-
  (i) any charge for
  
  electricity, water or any other services in connection with the occupation of
  
  the premises,
  (ii) any tax (by
  
  whatever name called) payable in respect of the premises, where such charge or
  
  tax is payable by the Central Government or the corporate authority;
  (fa) "statutory authority", in
  
  relation to the public premises referred to in clause (e) of this section ,
  
  means,-
  (i) in respect of the
  
  public premises placed under the control of the Secretariat of either House of
  
  parliament, the Secretariat of the concerned House of Parliament.
  (ii) in respect of the
  
  public premises referred to in item (I) of sub-clause (2) of that clause, the
  
  company or the subsidiary company, as the case may be , referred to therein,
  (iii) in respect of
  
  the public premises referred to in item (ii) of sub-clause (2) of the clause,
  
  the corporation referred to therein.
  (iv) in respect of the
  
  public premises referred to, respectively, it items(iii), (iv), [ (vi) and (vii)]
  
  of sub-clause (2) of that clause, the University, Institute of Board, as the
  
  case may be, referred to therein, and
  (v) in respect of the
  
  public premises preferred to in sub- clause (3) of that clause, the
  
  Corporation, Committee or Authority, as the case may be, referred to in that
  
  sub-clause;]
  (fb) "temporary occupation ", in
  
  relation to any public premises, means occupation by any person on the basis of
  
  an order of allotment made under the authority of the Central Government, a
  
  State Government, the Government of a Union Territory or a Statutory Authority
  
  for a total period (including the extended period, if any) which is less than
  
  thirty days;
  (g) "unauthorized occupation", in
  
  relation to any public premises, means the occupation by any person of the
  
  public premises without authority for such occupation, and includes the
  
  continuance in occupation by any person of the public premises after the
  
  authority (whether by way of grant or any other mode of transfer) under which
  
  he was allowed to occupy the premises has expired or has been determined for
  
  any reason whatsoever.
  Comment: “To begin with, it is
  
  manifest that S. 2 (2) (g) does not use the word 'possession' or the words
  
  'entry into possession, at any point of time at all. The Section merely
  
  requires occupation of any public premises. Entry into possession connotes one
  
  single terminus, viz., the point of time when a person enters into possession
  
  or occupies the property whereas occupation is a continuous process which
  
  starts right from the point of time when the person enters into possession or
  
  occupies the premises and continues, until he leaves the premises. What is
  
  germane for the purpose of interpretation of Section 2  (2) (g) is whether
  
  or not the person concerned was in occupation of the public premises when the
  
  Premises Act was passed”  M/s. Jain Ink Manufacturing Company,
  
  Appellant v. Life Insurance Corporation of India AIR 1981 SUPREME COURT 670