The most important part of the Main Plaza is the Parliament Chamber, which can house up to 354 members during sessions. There are also two podiums and two galleries for VIP visitors. The Chamber has a maximum height of 117' with a parabolic shell roof. The roof was designed with a clearance of a single story to let in daylight. Daylight, reflecting from the surrounding walls and octagonal drum, filters into the Parliament Chamber. The efficient and aesthetic use of light was a strong architectural capability of Louis Kahn.
The artificial lighting system has been carefully devised to provide zero obstruction to the entry of daylight. A composite chandelier is suspended from parabolic shell roof. This chandelier in turn consists of a metallic web, spanning the entire chamber, that supports the individual light fixtures.
Upper levels of the block (that contains the Chamber) contain the visitor and press galleries, as well as communication booths, all of which overlook the Parliament Chamber. The block also contains: