law: The Coal Bearing Areas (Acquisition and Development) Act, 1957
  4. Preliminary notification respecting intention to prospect for coal in any area and powers of competent authorities thereupon.-
  (1) Whenever it appears to the Central Government that coal is likely to be obtained from land in any locality, it may, by notification in the Official Gazette, give notice of its intention to prospect for coal therein.
  (2) Every notification under sub-section (1) shall give a brief description of the land and state its approximate area.
  (3) On the issue of a notification under sub-section (1), it shall be lawful for the competent authority and for his servants and workmen-
  (a) to enter upon and survey any land in such locality;
  (b) to dig or bore into the sub-soil;
  (c) to do all other acts necessary to prospect for coal in the land;
  (d) to set out the boundaries of the land in which prospecting is proposed to be done and the intended line of the work, if any, proposed to be made thereon;
  (e) to mark such boundaries and line by placing marks; and
  (f) where otherwise the survey cannot be completed and the boundaries and line marked, to cut down and clear away any part of any standing crop, fence or jungle:
  Provided that no person shall enter into any building or upon any enclosed court or garden attached to a dwelling house (unless with the consent of the occupier thereof) without previously giving such occupier at least seven days' notice in writing of his intention to do so.
  (4) In issuing a notification under this section the Central Government shall exclude therefrom that portion of any land in which coal mining operations are actually being carried on in conformity with the provisions of any enactment, rule or order for the time being in force or any premises on which any process ancillary to the getting, dressing or preparation for sale of coal obtained as a result of such operations is being carried on are situate.