Which of the following civilisations is not associated with the Harappan Civilisation?

The Harappan Civilization (also known as the Indus Valley Civilization) was an ancient civilization that flourished in the Indus River basin. It had interactions with several contemporary civilizations.

Mesopotamian, Sumerian, and Egyptian civilizations were contemporaneous with the Harappan Civilization and had trade links and cultural exchanges with it.

Chinese civilization, however, was not contemporaneous with or directly associated with the Harappan Civilization during its peak. The earliest Chinese dynasties developed later and were geographically and temporally distinct from the Harappan Civilization.

Therefore, Option D is correct as it identifies the civilization not associated with the Harappan Civilization.