 The Octagon Centre consists of a main auditorium known as the Convocation Hall to the north, with offices and meeting rooms in corridors across two floors at a lower elevation on the southern side of the building.There is also a bar lounge on the south side of the hall (at the hall's elevation); all of these areas are connected by a foyer entrance block.The Convocation Hall has a diameter of approximately 32 m on the East-West axis, covers an area of 870 m2 and has a capacity of 1000 seated or 1500 standing.