The Paradise of Nations was known as–

1. Delhi Sultanate
2. Bengal Subah
3. Bengal Presidency
4. Bengal Sultanate

Answer: Bengal Subah

Explanation: The Bengal Subah held the Mughal Empire’s most extensive regional economy, often referred to as the “paradise of nations.” This flourishing region was renowned for exporting various commodities, including grains, exquisite cotton muslin and silk, alcoholic beverages, salt, jewelry, fruits, and metals.