(1) No suit or other legal proceedings shall lie against the Government of anything which is in good faith done or intended to be done by or under this Act.
(2) (a) No suit, prosecution or other proceedings shall lie against the State Highways Authority or any Highways authority, or officer or person for any thing done or intended to be done under this Act, without the previous sanction of the Government, and such suit, prosecution or proceeding shall be filed within thirty days from the date of the act complained of.
(b) No such authority or officer or person shall be liable in respect of any such Act in any civil or criminal proceedings, if the Act was done in good faith in the course of the execution of the duties or the discharge of the functions assigned to such authority or officer or person by or under this Act.
64. When any notice, bill or other document is required to be served upon or issued or presented to any person under this Act or any rule made there under, such service, issue or presentation shall be given effect--
(a) by giving or tendering such notice, bill or document to such person; or
(b) if such person is not found, by leaving such notice, bill or document at his last known place of abode or business or by giving or tendering the same to his agent, clerk or servant or some adult member of his family; or
(c) if his address elsewhere is known, by forwarding such notice, bill or document of such address by registered post; or
(d) if none of the means aforesaid is available, affixing the same in some conspicuous part of the land or building, if any, to which the notice, bill or document relates.
65. Notwithstanding anything contained in this Act, if the Government are satisfied that it is necessary or expedient in the public interest so to do, they may by notification, exempt, subject to such conditions as they deem fit, any land or building or class of buildings, from all or any of the provisions of this Act.