The correct answer is D. Rajkot.
Rajkot is the second largest city in Gujarat, India. It is the administrative headquarters of Rajkot district and Saurashtra region. The city is known for its textile industry, and is also a major educational and cultural center.
Ahmedabad is the largest city in Gujarat, and is the commercial and financial capital of the state. Patan is a city in Gujarat, and is known for its historical monuments. Dwarka is a city in Gujarat, and is a major Hindu pilgrimage site.
Rajkot is known as the pride of Saurashtra because of its rich history, culture, and heritage. The city is home to many historical monuments, including the Rajkot Fort, the Jamnagar Palace, and the Lakhota Palace. Rajkot is also a major center for education and culture, and is home to many universities, colleges, and museums. The city is also known for its textile industry, and is a major producer of cotton and silk fabrics.