Section 8(a) in Kerala Municipality Building Rules, 1999
(a)General:(i)the total floor area of building shall be the sum total of floor areas at every floor including basement, if any;(ii)all internal sanitary shafts, air conditioning ducts and lifts shall be included in all the floor levels;(iii)The area of 'Barsati' or penthouse at terrace floor level shall be included in the floor area; and(iv)towers, turrets, domes, etc., projecting above the terrace shall not be included in the floor area at terrace level.
