INDIAN GEOGRAPHY

Detailed explanation-1: -The correct answer is Surat. Surat is the second-largest city in India’s Gujarat region and is noted for having the world’s highest concentration of diamond production activities. Surat is responsible for 90% of all diamond cutting and polishing on the earth.

Detailed explanation-2: -For nearly a century now, Surat has been one of the nerve centres of the global diamond industry where 90 percent of the world’s natural diamonds come to life. This is where rough stones are transformed into brilliant polished diamonds and then crafted into trend-setting jewellery designs.

Detailed explanation-3: -Detailed Solution. The correct answer is Surat. Diamond city of India is a popular nickname of Surat. It is called because a large number of Diamond industries are situated in Surat.