Section 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.]

Source: India Code (indiacode.gov.in), the consolidated text published by the Legislative Department, Government of India. Text as updated on India Code on 14 October 2026. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.

Supreme Court judgments citing the section 20B

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