All buildings located In the City Center and commercial or Institutional buildings to architectural controls. The systems of the City Center is based on a grid of columns, fixed 5.26 meters, shuttering pattern on concrete and a system of glazing or screen walls behind the line of column. The interior planning is left to the owners, and in the exterior, certain variations are permitted to give variety to the architectural composition. Along the V-2 roads, other types of treatments have been evolved for facades. All commercial buildings and all buildings constructed along the V-4 roads in other sectors are also under strict control. For shops, complete designs have been provided from the inception of the city.