The correct answer is (c), Kandla.
A special economic zone (SEZ) is a geographical region that has economic and other laws that are more liberal than a country’s standard economic laws. SEZs are designed to attract foreign direct investment and promote international trade.
The first SEZ in India was established in Kandla in 1965. Kandla is a port city in the Gujarat state of India. It is located on the Gulf of Kutch, about 100 kilometers from the city of Ahmedabad.
Kandla SEZ was established to promote exports and to provide a platform for foreign companies to invest in India. The SEZ has been successful in attracting foreign investment and in promoting exports.
The other options are incorrect. Mumbai is a city in the Maharashtra state of India. It is the capital of Maharashtra and the most populous city in India. Surat is a city in the Gujarat state of India. It is the second most populous city in Gujarat after Ahmedabad. Vishakhapatnam is a city in the Andhra Pradesh state of India. It is the third most populous city in Andhra Pradesh after Hyderabad and Vijayawada.