India has the second highest population among the countries in the world, with more than 1.39 billion people, just after China. As early as 2011, the country had 27 cities with populations exceeding one million. These urban agglomerations already make up around 43% of the country's urban population.
Below you will find the list of the 10 largest cities in India.

Mumbai - 18.5 million people
Mumbai is the capital of the state of Maharashtra in India. Its official name was Bombay, but in 1992 the city was subject to violent ethno-religious conflicts, and in 1995, the Shiv Sena, a Hindu nationalist party, which was then the ruling party in the state of Maharashtra, decided to change the official name of the city to the Marathi name of Mumbai.
Mumbai comprises two regions, the city district which covers an area of 233 square miles and the larger Mumbai metropolitan area with a total area of 1681.5 square miles. The city has a population of around 18.5 million and is the most populous city in India. Its wealth also surpasses that of any other Indian city, as it is home to the largest number of Indian millionaires and billionaires.

New Delhi - 16.3 million people
New Delhi is an administrative division in India, which means it is governed by the central government of the country. The official name of the city is the National Capital Territory of Delhi. It has the second highest population after Mumbai, with around 16.3 million inhabitants. New Delhi is the second richest city in the country after Mumbai. Delhi has an area of 573.0 square miles and is divided into 11 districts including New Delhi, the capital of India.

Kolkata - 14 million people
Until 2001, the official name of the city was Calcutta, the Anglicized name when India became part of the British Empire, which has been re-Indianized to Kolkata.
It is the administrative capital of West Bengal. Kolkata had a population of 14,035,831 people as of 2011. It is the third most productive and third most populous city in the country. Calcutta plays a very important role in economic and military activities in the eastern region of India as it is the only city with an international airport in the area. It is also a cultural center in the country with deep roots in art, theatre, cinema and literature.

Chennai - 8.8 million people
Chennai city is the capital of Tamil Nadu. In 2015, it was voted the safest city in India. The wider Chennai metropolitan area covers 459.07 square miles with a population of 8.8 million people. The city welcomes numerous health tourists, more than any other city in India, earning it the title of "India's Health Capital". More than 33% of India's automotive industry is based in Chennai.

Bangalore - 8.5 million people
Bangalore is located on the expansive Deccan plateau in the southern region of India. It is the administrative seat of the state of Karnataka. The official name of the city is Bengaluru. Its area is 274 square miles while its population is 8,520,435 million people. The city has the second fastest growing economy in India with an average economic growth of 10.3%. There are more IT companies in Bangalore than in any other Indian city. Between 2006 and 2007, these companies made up 33% of the country's IT exports. It is also a biotechnology center of the country.

Hyderabad - 7.75 million people
Hyderabad is the official state capital of Telangana. The city is approximately 250 square miles with a population of approximately 7.75 million people. Hyderabad is the economic powerhouse of Telangana. The service sector employs 90% of the workforce in the city. Historically, the city has played a crucial role in the pearl trade. It was the only trading center for global Golconda Diamonds until the 18th century.

Ahmedabad - 6.4 million people
Ahmedabad was the former capital of Gujarat state. Currently, it functions as the district headquarters of Ahmedabad. It is the largest city of Gujarat, with its 6.4 million inhabitants. It has the second oldest market in the country and the second largest cotton industry. It is a fast growing city, and in 2010, Forbes named it the third fastest growing city of the decade. Old Ahmadabad or Historic City of Ahmadabad became India's first UNESCO World Heritage City in July 2017.

Pune - 5.1 million people
Pune is the capital city of Pune district in the state of Maharashtra, India. It is the second largest city in the state after Mumbai. Pune covers 281 square miles with a population of over 5 million people. The city boasts some of the most reputable and highly regarded educational institutions in eastern India. An estimated 50% of the total international student population in India study in Pune. Research, automobile, and manufacturing industries dominate the city's economy.

Surat - 4.5 million people
Surat is a port city in India and the capital of Surat district. It is located in the state of Gujarat and dominates the economy of the state. The city's revenue comes mainly from the food, diamond and textile industries. More than 90% of the world's rough diamonds are polished in this city. Surat is the third cleanest city in India. The city sits on 126,068 square miles with approximately 4.5 million residents. Surat is set to become India's first IT city.

Jaipur - 3.2 million people
Jaipur is the largest city of the state of Rajasthan and also its capital. It covers an area of 187.12 square miles of land with over 3 million inhabitants. Jaipur is a popular destination for tourists not only in India but all over Asia. It is part of the Golden Triangle of India along with Delhi and Agra. The city is also called "the pink city".

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