Section 20B. Power to enter for survey, etc

20B. Power to enter for survey, etc .—On the issue of a notification under sub-section (1) of section 20A, it shall be lawful for any person, authorised by the competent authority in this behalf, to— - (a) make any inspection, survey, measurement, valuation or enquiry; - (b) take levels; - (c) dig or bore into sub-soil; - (d) set out boundaries and intended lines of work; - (e) mark such levels, boundaries and lines placing marks and cutting trenches; or - (f) do such other acts or things as may be considered necessary by the competent authority.