Section 101(1) in The Kerala Panchayat Buildings Rules, 2011
(1)Unless otherwise stipulated specifically in a Town Planning Scheme, workable groundwater recharging arrangement shall be provided as an integral part of all new building constructions through collection of rooftop rainwater:Provided that, the groundwater recharging arrangements are not mandatory for thatched buildings and for single family residential buildings if the total floor area is upto 150 sq.metres and if the total plot area is upto 320 sq.metres;
