Section 9 in Kerala Survey and Boundaries Rules, 1964
9. Maintainable survey marks.
(1)The maintainable survey mark shall be the following.(a)All theodolite stations ;(b)Survey marks at the junction of survey fields, end of ;G' lines , or base lines and in the case of Government land bends also on subdivision boundaries. (G.O (P) 1568/75/RD ., dated 24th November 1975).(2)A survey mark shall be deemed to require repairs -(a)When it is out of the ground, or is buried less than 2/3 of its length or is completely under the surface of the ground.(b)When it is out of its correct position; and(c)when it is covered with vegetation.
