3. Authorized boundary marks and survey marks.

(A) Boundary Marks:-
(A) Boundary Marks:-
Continuous marks:-
Continuous marks:-
(1) Walls,
(2) Permanent fences,
(3) Bunds dressed with stones with at least 0.50 meter height.
Discontinuous marks:-
Discontinuous marks:-
(4) Regular stones or cement pillars of 80 centimetres height, 22 centimetres length and 22 centimetres breadth for survey number boundary and of 50 centimetres height, 15 centimetres length and 15 centimetres breadth for sub-division boundary.
(5) Clear and distinct marking on permanent marks, if any, existing along the boundary line inscribing therein the letters "RA".
(6) Any other marks that may be prescribed by the Director to meet the requirement of any area specified by him in this behalf:
(B) Survey Marks:-
(B) Survey Marks:-
(1) For purpose of minor triangulation survey, cement blocks of the size 50 centimetres height, 25 centimetres by 25 centimetres bottom and 12 centimetres by 12 centimetres top with a triangle and a point inscribed at the centre of the top of the cement block, or any other survey mark that may be prescribed by the Director to meet the requirements of any area specified by him in this behalf.
(2) For the auxiliary triangulation survey,-
(a) Galvanized iron hollow pipe of the size 38 centimetres height and 5 centimetres diameter buried in the centre of a cement concrete square foundation of the size 30 centimetres length, 30 centimetres breadth and 10 centimetres height; or
(b) a hole 30 centimetres deep and 10 centimetres diameter made on a permanent mark; or
(c) any other survey mark that may be prescribed by the Director to meet the requirements of any area specified by him in this behalf.