Section 9(1) in Kerala Survey and Boundaries Rules, 1964
(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).
