INDIAN HISTORY

Detailed explanation-1: -Proto history period was between prehistory and history period where the conversion takes place. This period had other Cultural developments other than writing. Harappan civilization which is also known as Indus Valley civilization belongs to this category. Hence, the correct answer is option (C).

Detailed explanation-2: -Since the Harappan script has not been deciphered yet, it is considered a proto-historic civilization.

Detailed explanation-3: -For example, in Europe, the Celts and the Germanic tribes are considered to have been protohistoric when they began appearing in Greek and Roman sources. Protohistoric may also refer to the transition period between the advent of literacy in a society and the writings of the first historians.

Detailed explanation-4: -The Indus valley civilization is an example of a Bronze Age civilization.

Detailed explanation-5: -The Indus Valley Civilisation (IVC), also known as the Indus Civilisation or the Harappan Civilisation was a Bronze Age civilisation in the northwestern regions of South Asia, lasting from 3300 BCE to 1300 BCE, and in its mature form 2600 BCE to 1900 BCE.