Delhi is the Biggest and most crowded city in India. Delhi is a National Capital of India. The estimated Population of Delhi in 2017 is 28 Million and is bordered by Haryana on three sides and by Uttar Pradesh to the east.

2. Tables Of Content
 History
 Economy
 Transport
 Language
 Culture
 Education
 Sports
 Religion
 Source

3. History
 The Indian capital city of Delhi has a long history, and
has been an important political center of India as the
capital of several empires. Significant prehistoric sites in
Delhi include Anangpur (in the Badarpur region), as well
as Harappan excavations near Narela and Nand Nagari.
 References to Delhi's history in ancient literature are
based on myths and legends. According to the Hindu
epic Mahabharata, a city called Indraprastha, “City of the
God Indra”, was the capital of the Pandavas.

4. Economy
Delhi is the largest commercial Centre in northern India.
As of 2016 recent estimates of the economy of the Delhi
urban area have ranged from $167 to $370 billion (PPP
metro GDP) ranking it either the most or second-most
productive metro area of India. The nominal GSDP of the
NCT of Delhi for 2016-17 was estimated at ₹6,224 billion
(US$97 billion), 13% higher than in 2015–16.

5. Transport
Delhi has significant reliance on its transport infrastructure.
The city has developed a highly efficient public transport
system with the introduction of the Delhi Metro, which is
undergoing a rapid modernization and expansion as of
2006.Here is Transport List running in Delhi.
 Air
 Road
 Metro
 Train

6. Language
According to the 50th report of the commissioner for
linguistic minorities in India, which was submitted in
2014, Hindi is the Delhi's most spoken language, with
80.94% speakers, followed by Punjabi (7.14%) and Urdu
(6.31%).

7. Culture
Delhi's culture has been influenced by its lengthy history and historic
association as the capital of India, Although a strong Punjabi
Influence can be seen in language, Dress and Cuisine brought by the
large number of refugees who came following the partition in 1947.
Lotus Temple, is a Bahá'í House of Worship completed in 1986.
Notable for its flowerlike shape, it serves as the Mother Temple of the
Indian subcontinent and has become a prominent attraction in the
city.

8. Education
 There are about 500,000 university students in Delhi NCR
attending around more than 165 universities and colleges.
 Delhi has twelve major universities.
 Education is based on three-tier model which includes
primary schools, followed by secondary schools and tertiary
education at universities or other institutes of same level.

9. Sports
Delhi has hosted many major international sporting
events, including the first and also the ninth Asian Games
the 2010 Hockey World Cup, the 2010 Commonwealth
Games and the 2011 Cricket World Cup. Delhi lost bidding
for the 2014 Asian Games, and considered making a bid
for the 2020 Summer Olympics.

10. Religion
Hinduism is Delhi's predominant religious faith, with 81.68%
of Delhi's population, followed by Islam (12.86%), Sikhism
(4.0%), Jainism (0.99%), Christianity (0.87%), and others
(0.12%).Other minority religions include Buddhism,
Zoroastrianism, Baha'ism and Judaism.

11. Source
http://indiapopulation2018.in/population-of-delhi-2018.html
https://en.wikipedia.org/wiki/Delhi