Step 1: Understanding Harappan ports.
The Harappan civilization, known for its advanced urban centers and trade, had several major ports, one of the most notable being Lothal. Lothal was a thriving port city located in the present-day state of Gujarat, India. It is famous for its dockyard, which was used for maritime trade, particularly with Mesopotamia.
Step 2: Analyzing the options.
(A) Manda: Incorrect. Manda was a site associated with the Harappan civilization, but it was not primarily a port.
(B) Mohenjo-daro: Incorrect. Mohenjo-daro was one of the main urban centers of the Harappan civilization but was not specifically known as a port.
(C) Lothal: Correct. Lothal was a prominent port city of the Harappan civilization, located near the Gulf of Khambhat.
(D) Alamgirpur: Incorrect. Alamgirpur was a site of the Harappan civilization, but it was not a major port.
Step 3: Conclusion.
The port in the Harappan civilization was Lothal. Thus, the correct answer is (C).