Section 20A(3) in The Ancient Monuments And Archaeological Sites And Remains Act, 1958
(3)In a case where the Central Government or the Director-General, as the case may be, is satisfied that-(a)it is necessary or expedient for carrying out such public work or any project essential to the public; or(b)such other work or project, in its opinion, shall not have any substantial adverse impact on the preservation, safety, security of, or, access to, the monument or its immediate surrounding, it or he may, notwithstanding anything contained in sub-section (2), in exceptional cases and having regard to the public interest, by order and for reasons to be recorded in writing, permit, such public work or project essential to the public or other constructions, to be carried out in a prohibited area:Provided that any area near any protected monument or its adjoining area declared, during the period beginning on or after the 16th day of June, 1992 but ending before the date on which the Ancient Monuments and Archaeological Sites and Remains (Amendment and Validation) Bill, 2010, receives the assent of the President, as a prohibited area in respect of such protected monument, shall be deemed to be the prohibited area declared in respect of that protected monument in accordance with the provisions of this Act and any permission or licence granted by the Central Government or the Director-General, as the case may be, for the construction within the prohibited area on the basis of the recommendation of the Expert Advisory Committee, shall be deemed to have been validly granted in accordance with the provisions of this Act, as if this section had been in force at all material times:Provided further that nothing contained in the first proviso shall apply to any permission granted, subsequent to the completion of construction or re-construction of any building or structure in any prohibited area in pursuance of the notification of the Government of India in the Department of Culture (Archaeological Survey of India) number S.O. 1764, dated the 16th June, 1992 issued under rule 34 of the Ancient Monuments and Archaeological Sites and Remains Rules, 1959, or, without having obtained the recommendations of the Committee constituted in pursuance of the order of the Government of India number 24/22/2006-M, dated the 20th July, 2006 (subsequently referred to as the Expert Advisory Committee in orders dated the 27th August, 2008 and the 5th May, 2009)]