Harappa served as an important center of the

Harappa located in present day Punjab Pakistan was one of the principal urban centers of the Indus Valley Civilization. Excavations have uncovered planned streets drainage systems granaries and artifacts that indicate a sophisticated urban society dating back to 2600 BCE. Along with Mohenjo Daro Harappa reflects one of the world earliest examples of city planning and trade networks. It is not related to other civilizations like the Maya or modern Silicon Valley. The site is recognized globally as a cradle of human civilization. Hence the correct answer is option A Indus Valley Civilization.