The Punjab Land Improvement Schemes Act,1963
Section 6. Power to enter upon lands to do certain acts
The Soil Conservation Officer or any other person authorized in writing by the District Land Improvement Committee or the Soil Conservation Officer may enter upon any land in a notified area for the purpose of survey and preparation of a scheme and do all acts necessary for such purpose and in particular may–
(a) dig or bore into the sub-soil; or
(b) take levels and mark boundaries; on
(c) place, erect or fix any peg or mark; or
(d) do all other acts necessary for such purpose.