Section 259(2) in Andhra Pradesh Municipalities Act, 1965
(2)The State Government or the Central Government shall not be required to obtain any permission as provided by or under this Act in respect of erection, re-erection, construction, alteration or maintenance of buildings used or required for the public service or for any public purpose which is the property, or in the occupation of the Government concerned, or which is to be erected on land, which is the property, or in the occupation, of the Government concerned:Provided that, where the erection, re-erection, construction or material or structural alteration of any such building as aforesaid (not being a building connected with defence, or a building the plan or construction of which, in the opinion of the Government concerned, is treated as confidential or secret) is contemplated, reasonable notice of the proposed work shall be given to the council before it is commenced.