The correct answer is: D. Textile
Surat is a city in the Indian state of Gujarat. It is the second-largest city in Gujarat and the 10th-largest city in India. Surat is known for its textile industry, which is one of the largest in India. The city is also a major center for diamond cutting and polishing.
Tourism is not a major industry in Surat. The city does not have many tourist attractions, and most tourists who visit Gujarat do not go to Surat.
Coal is not a major industry in Surat. The city does not have any coal mines, and coal is not a major source of energy for the city.
Oil and gas is not a major industry in Surat. The city does not have any oil or gas reserves, and oil and gas is not a major source of energy for the city.