Shahjehanabad : Seventh City of Delhi (1638-1649)

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The walled city, also known as Purani Dilli these days, was named Shahjahanabad in 1639. Built by the emperor Shah Jahan, it remained the capital of the Mughal empire until its fall in 1857. According to renowned British economist Angus Maddison, Mughal India in 1700 was the largest economy in the world, producing about a quarter of the global GDP, before the country’s economy rapidly declined under British rule in the 19th century.

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