Explanation:

- Karwar: Located in the Indian state of Karnataka, Karwar is situated on the west coast of India along the Arabian Sea.

- Gopalpur: This town is on the east coast of India, in the state of Odisha, along the Bay of Bengal, making it not part of the west coast.

- Mangalore: Mangalore is a city in Karnataka, positioned on the west coast of India, also along the Arabian Sea.

- Surat: Situated in the state of Gujarat, Surat is positioned on the west coast of India, near the Arabian Sea.

Correct Answer: Option: 2, Gopalpur