(1) The Principal Agricultural Officer may by publishing c> a notice in the prescribed form direct every occupier of land within the affected area to carry out such preventive or remedial measures (including removal or destruction of plants which are infested es. or are likely to be infested) to eradicate or prevent the introduction, spread or reappearance of, any plant disease, insect pest, plant parasite or noxious weed as may be specified in such notice.
(2) A notice referred to in sub-section (1) shall be published in the affected area by a proclamation made by beat of drum and in such other manner as the Principal Agricultural Officer may think fit.
(3) It shall be the duty of every occupier of land in the affected area to carry out the preventive or remedial measures specified in the notice published under sub-section (1).
5. The Block Development Officer or an officer authorised by him in this behalf may, after giving the prescribed notice, enter upon any land situated in the affected area at a]1 reasonable hours for the purpose of ascertaining—
(a) whether any insect pest, plant disease, plant parasite or noxious weed exists on such land; and
(b) whether the preventive or remedial measures mentioned in the notice published under subsection (1) of section 4 have been or are being carried out.