Following are the top 10 richest cities of India based on the Gross Domestic Product (GDP) they have.      10. Visakhapatnam  Visakhapatnam is the Financial Capital of Andhra Pradesh and is also the largest city of the state. It is famous for its beaches including Ramakrishna Beach, home to a preserved submarine at the Kursura Submarine Museum. The locals call it Vizag. But since independence, people have been calling it Visakhapatnam. Visakhapatnam is one of the 100 fastest growing cities in the world, which has a GDP of $26 billion. 9. Surat Known as the commercial centre for textiles, Surat is an Indian port city previously known as Suryapur. Surat is the 3rd cleanest city of India according to the Indian Ministry of Urban Development and 4th fastest growing city in the world. Surat polishes over 90 percent of the world's rough diamonds. Surat has the GDP of $40 billion. Till 2020, it is expected to be around $57 billion as estimated by The City Mayors Foundation, an international think tank on urban affairs.    8. Pune Pune is at a height of 560 m (1,840 ft) above sea level on the west of Deccan plateau. It is on the leeward side of the Sahyadri mountain ranges, which forms a barrier along the Arabian Sea. It is a hilly city, with its highest hill, Vetal Hill, rising to 800 m (2,600 ft) above sea level. The city has GDP of 48 Billion USD. 7. Ahmedabad With a population of more than 6.3 million and an extended population of 7.8 million, Ahmedabad is the sixth largest city and seventh largest metropolitan area of India. It is located on the banks of Sabarmati River. The GDP of Ahmedabad stands at US$64 billion.     6. Chennai Chennai is among the most visited Indian cities by foreign tourists. It was ranked 43rd most visited city in the world in 2015. Tourism guide publisher Lonely Planet named Chennai as one of the top 10 cities in the world to visit in 2015. National Geographic ranked Chennai's food as second best in the world; it was the only Indian city to feature in the list. Recent estimates of the economy of Chennai Metropolitan Area is around $58.6 to $66 billion.        5. Hyderabad Hyderabad was known as a pearl and diamond trading centre, and it continues to be known as the 'City of Pearls'. Many of the city's traditional bazaars including Laad Bazaar, Begum Bazaar and Sultan Bazaar are still operational. With an output of US$74 billion, Hyderabad is the fifth-largest contributor to India's overall gross domestic product.     4. Bangalore Bangalore is known as the 'Silicon Valley of India' or 'IT capital of India' because of its role as the nation's leading information technology (IT) exporter. Headquarters of Indian technological organisations like ISRO, Infosys, Wipro and HAL are located in the city. It is the second fastest-growing major metropolis in India. The economy of Bangalore's metropolitan area is worth $83 billion.      3. Kolkata Located on the east bank of the Hooghly River, Kolkata was known as Calcutta. It is the commercial, cultural, and educational centre of East India. The Port of Kolkata is India's oldest operating port.   It is the third-most populous metropolitan area in India. Recent estimates of Kolkata Metropolitan Area indicate that its economy is worth $60 to $150 billion. It is the third most-productive metropolitan area in India.  Keep reading to know the two richest cities of India.     2. Delhi  Delhi's population is over 11 million, while the whole NCT population is about 16.8 million, making it the world's 3rd largest city in terms of population. Delhi is the largest commercial centre in northern India. The economy of Delhi urban area ranges from $167 to $370 billion, making it the second-most productive metro area of India.      1. Mumbai Mumbai is the financial, commercial and entertainment capital of India. It is one of the most populous urban regions in the world and the second most populous metropolitan area in India, with a population of 21.3 million. As of 2015, Mumbai's metro area GDP was estimated at $368 billion. Courtesy:  wittyfeed