( 1 ) IN this group of nine Writ Petitions the petitioners are three Nagar Panchayats and six Gram Panchayats constituted under the Gujarat Panchayats Act 1961 (hereinafter referred to as the Panchayats Act) The challenge in the petitions is directed toward two sets of notifi- cations; (1) six notification each dated May 6 1975 issued by the State Government in exercise of the powers conferred by sec. 16 of the Gujarat Industrial Development Act 1962 (hereinafter referred to as the G. I. D. C. Act) and published in the Gujarat Government Gazette dated May 7 1975 declaring inter alia that the provisions relating to notified areas as contained in Chapter XVI-A of the Gujarat Municipalities Act 1963 (hereinafter referred to as the Municipality Act) and other specified provisions of that Act shall extend to and be brought into force in six indu- strial areas notified by the State Government under the G. I. D. C. Act and directing that the provisions of the Panchayat Act which were in force in the said industrial areas shall cease to apply thereto; and (2) six notifications each dated May 4 1975 issued by the Development Commissioner Gujarat State in exercise of the deleg