Decline of the Civilization is studied as part of "Indus Valley Civilization" (Ancient India) in History. The Indus Valley (Harappan) Civilization, c. 2600 – 1900 BCE, was the earliest urban culture of the subcontinent — remarkable for its grid town planning, drainage, standardised weights and maritime trade.

In the examination context, decline of the civilization carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.