On publication of the declaration under sub-section
(1) of section 4, it shall be lawful for any person authorized by the State Government or the corporation and its servants and workmen,-
(a) to enter upon, survey and take levels of any land specified in the notification;
(b) to dig or bore into the sub-soil;
(c) to set out the intended line of work;
(d) to mark such levels, boundaries and lines by placing marks and cutting trenches;
(e) to cut down and clear away any part of any standing crop, fence or jungle, where survey is not completed, levels not taken, boundaries and lines are not marked; and
(f) to do all other acts necessary to ascertain whether underground pipelines can be laid under the land;
Provided that while exercising any power under this section, such person or any servant of such person shall cause as little damage or injury as possible to such land.