The correct answer is Chandor.
The Shilaharas were a dynasty of kings who ruled over parts of Goa from the 8th to the 14th centuries. They established their capital at Chandor, which is a town in the South Goa district of India. Chandor was an important center of trade and commerce during the Shilahara period. It was also a major center of Hindu learning and culture. The Shilaharas were patrons of the arts and literature. They built many temples and palaces in Chandor. The Shilahara dynasty came to an end in the 14th century when they were overthrown by the Vijayanagara Empire.
The other options are incorrect. Margao is a town in the South Goa district of India. It is the largest town in the district and the second largest town in Goa. Margao is a major commercial and industrial center. It is also a popular tourist destination. Ponda is a town in the North Goa district of India. It is the headquarters of the Ponda taluka. Ponda is a major center of Hindu pilgrimage. It is home to many temples, including the Shri Shantadurga Temple and the Shri Mangueshi Temple. Canacona is a town in the South Goa district of India. It is the headquarters of the Canacona taluka. Canacona is a popular tourist destination. It is known for its beaches, including the Palolem Beach and the Agonda Beach.