Section 24(5) in Kerala Municipality Building Rules, 1999
(5)Every building upto 10 meters in height shall have a minimum side yard of 1.20 meters on one side and a minimum of 1.00 meter on the other side.Provided that in the case of buildings upto 7 meters height, the depth of the side yard on one side may be reduced to not less than 75 cms without any opening such as door and window on that side, but however, ventilator opening may be made at a height of 2.10 metres from the corresponding floor level if the side yard on the other side have a minimum of 1.20 meters.Provided further that in the case of building upto 7 meters height the depth of side yard on one side other than that having 1.20 meters may be reduced below 75 cms or even abut the plot boundary without any manner of opening on that side, if the owner of the plot on that side voluntarily agrees for the same in writing.
