Pick up the item of work, which is not included in the plinth area estimation : 

Explanation:

Plinth area is the covered built-up area measured at the floor level of any storey or at the floor level of the basement.

Following areas are not included during measurement of plinth area:

1) Courtyard and another open area

2) Additional floor for seating in assembly buildings, theatres, auditoriums

3) Cantilevered porch, Balcony, Area of the loft, Internal sanitary shaft and garbage shaft

4) Area of the architectural band, cornice, Open platform, etc.

5) Towers, turrets, domes projecting above the terrace level at the terrace

Following areas are included during measurement of plinth area:

1) Area of the wall at the floor level, excluding plinth offsets.

2) Areas of the internal shaft for sanitary installations and garbage chute, electrical, telecom and firefighting services.

3) Vertical duct for air conditioning and lift well including landing

4) Staircase room or headroom other than terrace level

5) Area of barsati at terrace level