(1) On and after the day on which a [preliminary scheme] comes into force, the Planning Authority may, after giving the prescribed notice and in accordance with the provisions of the scheme,-
(a) remove, pull down or alter any building or other work in the area included in the scheme which is such as to contravene the scheme or in the erection of which or carrying out of which, any provision of the scheme has not been complied with ;
(b) execute any work which it is the duty of any person to execute under the scheme, in any case where it appears to the Planning Authority that delay in the execution of the work would prejudice the efficient operation of the scheme.
(2) Any expenses incurred by the Planning Authority under this section may be recovered from the person in default or from the owner of the original plot in the manner provided for the recovery of sums due to the Planning Authority under the provisions of this Act.
(3) If any action taken by the Planning Authority is questioned, the matter shall be referred to the State Government or any officer authorised by the State Government in this behalf; and the decision of the State Government or of the officer, as the case may be, shall be final and conclusive and binding on all persons.
[(4) No person shall be entitled to compensation in respect of any damage, loss or injury resulting from any action taken by the Appropriate Authority under the provisions of this section except in respect of the building constructed or work begun before the date referred to in sub-section (1) and only in so far as such building or work has proceeded until that date :
Provided that, any claim to compensation, which is not barred by this sub-section shall be subject to the condition of any agreement entered into between the claimant and the Appropriate Authority.
(5) The provisions of this section shall not apply to any operational construction undertaken by the State Government or the Central Government.]