12. (1) Any licensee may, from time to time but subject always to the terms and conditions of his license, within the area of supply, or when permitted by the terms of his license to lay down or place electric supply-lines without the area of supply, without that area- (a) open and break up the soil and pavement of any street, railway or tramway; (b) open and break up any sewer, drain or tunnel in or under any street, railway or tramway; (c) lay down and place electric supply-lines and other works; (d) repair, alter or remove the same; and (e) do all other acts necessary for the due supply of energy. (2) Nothing contained in sub-section (1) shall be deemed to authorise or empower a licensee, ¹[without intimation to the local authority or to the owner or] occupier concerned, as the case may be, to lay down or place any electric supply-line or other work in, through or against any building, or on, over or under any land not dedicated to public use whereon, whereover or whereunder any electric supply-line or work has not already been lawful laid down or placed by such licensee: Provided that any support of an aerial line or any stay or strut required for the sole purpose of securing in position any support of an aerial line may be fixed on any building or land or, having been so fixed, may be altered, notwithstanding the objection of the owner or occupier of such building or land, if the District Magistrate by order in writing so directs: Provided, also, that, if at any time the owner or occupier of any building or land on which any such support, stay or strut has been fixed shows sufficient cause, the District Magistrate may by order in writing direct any such support, stay or strut to be removed or altered. (3) When making an order under sub-section (2), the District Magistrate, shall fix the amount of compensation or of annual rent, or of both, which should in his opinion be paid by the licensee to the owner or occupier. (4) Every order made by a District Magistrate under sub-section (2) shall be subject to revision by the Government. (5) Nothing contained in sub-section (1) shall be deemed to authorise or empower any licensee to open or break up any street not repairable by the Government or a local authority, or any railway or tramway, except such streets, railways or tramways (if any), or such parts thereof, as he is specially authorised to break up by his license, without the written consent of the person by whom the street is repairable or of the person for the time being entitled to work the railway or tramway unless with the written consent of the Government: Provided that the Government shall not give any such consent as aforesaid, until the licensee has given notice by advertisement or otherwise as the Government may direct, and within such period as the Government may fix in this behalf, to the person above referred to, and until all representations or objections received in accordance with the notice have been considered by the Government.