(a) to enter upon and survey and take level of the land, building, street, road or passage specified in the notification;

(b) to dig or bore into the sub-soil;

(c) to set out the intended work;

(d) to mark such levels, boundaries or lines by placing marks and cutting trenches;

(e) to do all other acts necessary to ascertain whether the metro railway can be laid upon or under the land, building, street, road or passage, as the case may be: