S. 80-IB(10) : Housing project-Built-up area-Flower bed area, being below floor level, open to sky, outside residential unit and not habitable, cannot be included in “built-up area”-Cupboard projections already forming part of wall area, service area being common utility duct area, and window projections at sill level being unsafe/elevational features also not includible-Tribunal justified in directing allowance of deduction under section 80-IB(10)-Order affirmed. [S. 80-IB(14)(a), 260A]