The spectacular official residence of the President of India set on the eminence of the Raisina Hill, sprawls over an area of 330 acres. It was designed by Sir Edwin Lutyens and is one of the largest residential buildings in the world with 340 rooms, 37 salons, 74 lobbies, and loggias, one km. a long corridor, 18 staircases, and 37 fountains. In the front are a large court and Mughal-style gardens in the back, which are open for public viewing in February. The most magnificent room in the Rashtrapati Bhawan is the Durbar Hall, which lies directly under the main dome.