The correct answer is Surat. Surat is a city in Gujarat, India, and is the world’s largest diamond cutting and polishing center. The city is home to over 400,000 diamond workers, and accounts for over 90% of the world’s diamond cutting and polishing industry.
Ahmedabad is the largest city in Gujarat, and is the commercial and financial capital of the state. The city is home to a number of industries, including textiles, chemicals, and pharmaceuticals.
Rajkot is a city in Gujarat, and is the third largest city in the state. The city is home to a number of industries, including textiles, chemicals, and engineering.
Vadodara is a city in Gujarat, and is the fourth largest city in the state. The city is home to a number of industries, including textiles, chemicals, and engineering.
The diamond cutting and polishing industry is a labor-intensive industry, and Surat is well-positioned to take advantage of this. The city has a large pool of skilled labor, and the cost of living is relatively low. Additionally, the city is located close to the major diamond producing countries of Africa.