(1) After the establishment of the Authority for any special deve- lopment area, no development of land shall be undertaken or carried out or continued in that area by any person or body including a department of Government or any undertaking in public or private sector, unless permission for such development has been obtained in writing from the authority in accordance with the provisions of this Act.
(2) After the coming into operation of any of the plans in any such area no development shall be undertaken or carried out or continued in that area unless such development is also in accordance with such plans.
(3) Notwithstanding anything contained in sub-sections (1) and (2), the following provisions shall apply in relation to development of land in that area by any department of the State Government or the Central Govern- ment or any local authority-
(a) when any such department or local authority intends to carry out any development of land it shall inform the Chairman of the Authority in writing of its intention to do so giving full particulars thereof, including any plans and documents, at least 90 days before undertaking such development; Government or the
(b) in the case of a department of any State Central Government, if the Chairman has any objection he shall in- form such department of the same within six weeks from the date of intention, receipt by him under clause (a) of the department's within the said and if the Chairman does not make any objection period the department shall be free to carry out the proposed development;
(c) where the Chairman raises any objection to the proposed development on the ground that the development is not in conformity with any master plan or sector plan prepared or intended to be pre- pared by it under this Act or on other ground, such depart- ment or the local authority, as the case may be, shall-
(i) either make necessary modifications. in the proposal for. development to meet the objections raised by the Chairman; or
(ii) submit the proposals for development together with the Chairman to the Authority for objections raised by the decision under clause (d);
(d) the Authority on receipt of proposals for development together with the objections of the Chairman may either approve the pro- posals with or without modifications or direct the department or the local authority, as the case may be, to make such modifications as it considers necessary and the decision of the Authority shall be final.