Section 112(3) in The Kerala Panchayat Buildings Rules, 2011
(3)In case a group of buildings are to be constructed within any plot belonging to the same owner or by different owners of adjoining lands jointly, the area of the land remaining after accounting for the mandatory front, rear and side yards from the boundary of the plot shall be considered as buildable area of the plot where the buildings may be constructed subject to the conditions regarding floor area ratio, coverage, access, light and ventilation etc. for the whole plot, distance between the various blocks within this area shall be a minimum of 5 metres.