New Delhi is the capital of India, and the seat of executive, legislative, and judiciary branches of the Government of India. It also serves as the centre of the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi and is one of the eleven districts of Delhi National Capital Territory.
The foundation stone of the city was laid on 15 December 1911. It was planned by two leading 20th-century British architects, Sir Edwin Lutyens and Sir Herbert Baker. The new Capital was christened "New Delhi" in 1927, and subsequently inaugurated on 13 February 1931, by British India's Viceroy Lord Irwin. On 12 December 2011, New Delhi celebrated 100 years of capitalship, making it another landmark year in the long history of the region of Delhi. New Delhi is home to three UNESCO World Heritage Sites: Humayun's Tomb, Red Fort and the Qutub complex.
New Delhi is known as the microcosm of India and is one of the world’s leading global cities, with strengths in the arts, commerce, education, entertainment, fashion, finance, healthcare, media, professional services, research and development, tourism and transport all contributing to its prominence. The metropolitan area is largest in the country with a population of more than 21 million.