Claim: Gujarat has people.

Ahmedabad -LRB- -LSB- -RSB- -RRB- is the largest city and former capital of Gujarat , which is a state in India . It is the administrative headquarters of the Ahmedabad district and the seat of the Gujarat High Court . With a population of more than 6.3 million and an extended population of 7.8 million , it is the List of most populous cities in Indiasixth largest city and List of most populous metropolitan areas in Indiaseventh largest metropolitan area of India . Ahmedabad is located on the banks of the Sabarmati River , 30 km from the state capital Gandhinagar , which is its twin city .   Ahmedabad has emerged as an important economic and industrial hub in India . It is the second largest producer of cotton in India , and Ahmedabad Stock Exchangeits stock exchange is the country 's second oldest . Cricket is a popular sport in Ahmedabad , which houses the 54,000-seat Sardar Patel Stadium . The effects of Economic liberalisation in Indialiberalisation of the Indian economy have energised the city 's economy towards Tertiary sector of the economytertiary sector activities such as commerce , communication and construction . Ahmedabad 's increasing population has resulted in an increase in the construction and housing industries resulting in recent development of skyscrapers .   In 2010 , it was ranked third in Forbes ' -RSB- s list of fastest growing cities of the decade . In 2012 , The Times of India chose Ahmedabad as India 's best city to live in . As of 2014 , Ahmedabad 's estimated gross domestic product was $ 64 billion .   Ahmedabad has been selected as one of the hundred Indian cities to be developed as a smart city under Government of Indias flagship Smart Cities Mission .