Section 12(1) in The Kerala Panchayat Buildings Rules, 2011
(1)In the case of constructions/land developments which involve any earthwork excavation to a depth of more than 1.5 metres, if the depth of cutting is more than the horizontal distance of such cutting from the plot boundary, the following provisions shall apply:Provided that, such provisions are not necessary in cases where such excavation is carried out for construction of structures such as wells, septic tank, recharge pits, drainage works, compound walls and the like.
