(a) summoning and enforcing the attendance of any person and examining him on oath;

(b) requiring the discovery and production of any document;

(c) reception of evidence on affidavits;

(d) requisitioning any public record from any Court or office;

(e) issuing commission for examination of witnesses.

(i) no such entry shall be made except between the hours of sunrise and sunset and without giving reasonable notice to-

(a) the owner of, or the person interested in, the land, building, street, road or passage; or

(b) the person whose right of user in or right in the nature of easement on the land, building, street, road or passage is acquired, or

(c) the person who sustains any loss or damage to the land, building, street, road or passage in consequence of any direction given by the Central Government or any power exercised by the metro railway administration under this Act.

(ii) sufficient opportunity shall in every instance be given to enable women, if any, to withdraw from such land, building, street, road or passage;

(iii) due regard shall always be had, so far as may be compatible with the exigencies of the purpose for which the entry is made, to the social and religious usage of the person to whom notice as aforesaid is given;

(iv) the competent authority making the entry shall cause as little damage or injury as possible, to the land, building, street, road or passage.]