Section 2(1)(x) in Rajasthan Minor Mineral Concession Rules, 2017
(x)"Boundary Pillar" means reinforced cement concrete or cemented pillar of size having a base of 0.3m x 0.3m and height 1.30m of which 0.7m shall be above ground level and 0.6m below the ground, painted in yellow colour and top ten centimeters in red colour by enamel paint. Every pillar shall be marked with lease or licence number and pillar number in black paint;