Power to underpin building or otherwise strengthen it .-(1) If the metro railway administration is of opinion that it is necessary or expedient so to do for facilitating the construction of any metro railway or for ensuring the safety of any metro railway, it may, underpin or otherwise strengthen any building within such radius not exceeding fifty metres from the metro alignment

Powers of metro railway administration .-(1) The metro railway administration shall, for the purpose of [performing its functions under section 18] have power

Power to prohibit or regulate construction of buildings and excavation .-(1) If the Central Government is of opinion that it is necessary or expedient so to do for facilitating the construction of any metro railway or for ensuring the safety of any metro railway, it may, by notification in the Official Gazette,

Power to enter, etc .-(1) With a view to making survey, or to ascertaining the nature or condition, of any land or building for the purpose of construction of any metro railway or any other work connected therewith, the metro railway administration or any person authorised by that administration may, at any reasonable hour in the day time and after giving reasonable notice to the owner or occupier of such land or building, enter upon or into such land or building in, along, over or near the metro alignment to

Payment of amount for prohibition of construction, etc .-(1) If in consequence of any direction contained in any notification issued under sub-section (1) of section 21 any person sustains any loss or damage, such person shall be paid an amount which shall be determined [by an order of the competent authority] in the first instance