Which city is considered the ‘Petrochemical Capital of India’?

The correct answer is: b) Jamnagar.

Jamnagar is a city in the Indian state of Gujarat. It is located on the Gulf of Kutch, about 320 kilometers (200 mi) north of the state capital, Gandhinagar. Jamnagar is the headquarters of Jamnagar district and Jamnagar division. The city is known for its oil refineries and petrochemical industries. It is also home to the Jamnagar Refinery, which is the largest refinery in India and the second largest refinery in Asia.

The other options are incorrect because:

• Vadodara is a city in the Indian state of Gujarat. It is located on the banks of the Vishwamitri River, about 120 kilometers (75 mi) north of the state capital, Gandhinagar. Vadodara is the third largest city in Gujarat after Ahmedabad and Surat. The city is known for its historical monuments, including the Lakshmi Vilas Palace and the Sayaji Baug Palace.
• Surat is a city in the Indian state of Gujarat. It is located on the banks of the Tapi River, about 200 kilometers (120 mi) south of the state capital, Gandhinagar. Surat is the second largest city in Gujarat after Ahmedabad. The city is known for its diamond industry and textile manufacturing.
• Dahej is a town in the Indian state of Gujarat. It is located on the Gulf of Kutch, about 300 kilometers (190 mi) north of the state capital, Gandhinagar. Dahej is a major port city and is home to a number of petrochemical industries.