Section 102(c) in Cuttack Development Authority (Planning and Building Standards) Regulations, 2001
(c)The area covered under following services and structures shall not be included in the calculation of floor area ratio namely :(i)a basement or cellar or covered space under a building constructed on stilt (not exceeding 2.56 metres in height), provided that it is used for parking, installation of air conditioning equipments and other machines used for services and utilities of the building (lift room, pump house, fire fighting).(ii)Electric cabin of sub-station, watchman booth, pump house and garbage shaft, staircase room and lift rooms above the top most storey, architectural feature, chimneys and elevated tanks; and(iii)Spaces occupied by staircase rooms, lift and lobbies attached to them and circulation or movement corridors and fire refuse areas.