It is also known as 'Sansad Bhavan' and is a circular colonnade building 171 meter in diameter and 75 feet high. It has housed the Indian Parliament (Lok Sabha and Rajya Sabha) since 1947. It was in this building the constituent assembly sat for 3 years to prepare the constitution of free India. It was designed by Sir Herbert Baher and is situated to the right of Vijay Chowk. Built on 3 levels, it has a red sand stone foundation storeys, a buff coloured storeys with 144 pillars and a small attic storeys. Specially imported acoustic tiles were used on the walls and sound absorbing plaster on the ceiling. The Parliament library is one of the most impressive in Asia. The Parliament house has all the constructive geometric qualities.