Which of the following is a port town of Indus Valley Civilization?

Lothal is a prominent archaeological site of the Indus Valley Civilization located in modern-day Gujarat, India.

It is widely known as a port town because of the discovery of a large structure identified as a dockyard. This dockyard is considered the world's earliest known artificial dock.

This site was a vital trading hub, facilitating maritime trade with other civilizations like Mesopotamia. Evidence like a warehouse and seals from the Persian Gulf found at the site further supports its role as a port town.