Section 64(3) in The Kerala Panchayat Buildings Rules, 2011
(3)Any one side shall have a minimum of 0.90 metre and other side shall have a minimum of 0.60 metre:Provided that no opening other than ventilator above a height of 2.0 metres from the floor level shall be provided on the side having only 0.60 metre open space. However openings shall be allowed if open space is 0.90 metre. on that side also.Provided further that the open space, on one side other than that having 0.90 metre width may be reduced; or the building can even abut the plot boundary without any manner of opening on that side, if the owner of the plot on that side voluntarily agree for the same in writing
