[(IAA)(a) Notwithstanding anything contained in subsections (1), (1A) and (2), where the State Government is satisfied that in the public interest it is necessary to carry out urgently a modification of any part of, or any proposal made in, a final Development Plan of such a nature that it will not change the character of such Development Plan, the State Government may, on its own, publish a notice in the Official Gazette, and in such other manner as may be determined by it, inviting objections and suggestions from any person with respect to the proposed modification not later than one month from the date of such notice and shall also serve notice on all persons affected by the proposed modification and the Planning Authority.