New Delhi is the capital city of Republic of India. It serves as the centre of the Government of India and the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi and is one of the fastest growing cities in the world. It is one of the nine districts of Delhi Union Territory. The total area of the city is 42.7 km2.The foundation of the city was laid on December 15, 1911. It was planned by two leading 20th century British architects namely Sir Edwin Lutyens and Sir Herbert Baker. The city was inaugurated on February 13, 1931, by British India's Governor-General Lord Irwin. New Delhi is known for its wide, tree-lined boulevards and is home to numerous national institutions and landmarks.