Delhi officially National Capital Territory of Delhi (NCT), is the largest metropolis by area and the second-largest metropolis by population in India. It is divided into two parts Old Delhi & New Delhi.In Old Delhi you will find many mosques, monuments and forts relating to India's Muslim history. Red Fort and Jama Masjid, India's largest mosque combined with the old city's bazaars. The hub of the metropolis is Central New Delhi, an orderly plan of wide roads lined with sturdy colonial buildings which was established soon after the imperial capital of British India moved here in 1911. It is a planned city with wide streets, parks.Delhi is the home of three popular World Heritage Sites. They are Red Fort or Lal Quilla, Humayun's Tomb, and Qutub Minar.