(1) No suit or other proceeding shall lie against the Government for any act done or purporting to be done under or in pursuance of this Act.
(2)(a) No suit, prosecution or the proceeding shall lie against any planning authority or other authority or officer or person for any act done or purporting to be done under or in pursuance of this Act or the rules or regulations made thereunder without the previous sanction of the Government;
(b) No planning authority or other authority or officer or person shall be liable in respect of any such act in any civil or criminal proceeding, if the act was done in good faith in the exercise of the powers conferred, or discharge of the duties imposed or performance of the functions entrusted, by or under this Act or the rules or regulations made thereunder.
(3) No suit, prosecution or other legal proceedings shall be instituted against any planning authority or other authority or officer or person for any act done or purporting to be done under or in pursuance of this Act or the rules or regulations made thereunder after the expiration of six months from the date of the act complained of.