law: Registration Act, 1908
  90. Exemption of certain documents executed by or in favor
  
  of government
  (1) Nothing contained in this Act or in the Indian Registration
  
  Act, 1877, or in the Indian Registration Act, 1871, or in any Act thereby
  
  repealed, shall be deemed to require, or to have any time required, the
  
  registration of any of the following documents or maps, namely:-
  (a) documents issued, received or attested by
  
  any officer engaged in making a settlement or revision or settlement of
  
  land-revenue, and which form part of the records of such settlement; or
  (b) documents and maps issued, received or
  
  authenticated by any officer engaged on behalf of government in making or
  
  revising the survey of any land, and which form part of the record of such
  
  survey; or
  (c) documents which, under any law for the
  
  time being in force, are filed periodically in any revenue-office by patwaris
  
  or other officers charged with the preparation of village records; or
  (d) sanads, inam, title-deeds and other
  
  documents purporting to be or to evidence grants or assignments by government
  
  of land or of any interest in land; or
  (e) notice given under section 74 or section
  
  76 of the Bombay Land-Revenue Code, 1879, or relinquishment of occupancy by
  
  occupants, or of alienated land by holders of such land.
  (2) All such documents and maps shall, for the purposes of
  
  sections 48 and 49, be deemed to have been and to be registered in accordance
  
  with the provisions of this Act.