Most prehistorically and early historical information in what is now Pakistan is about the Indus plain. For more on the lesser-known valleys of the Hindu Kush, Karakoram and Himalaya.
The oldest evidence of human activity is of early stone-ageon the Pot war Plateau (North west Panjab). The so called Dravidians were late stone-age-hunter-gatherer communities in the Panjab and Sind plains. Excavations indicate primitive agriculture.
In the upland valleys of Baluchistan by the late 4th milleneum BC;tribes there may have been the first to domesticate the buffalo.In the 3rd milleneum BC, permanent villages farming on the rich Idus alluvium were the nuclei of what was to become one of the world's most important urban cultures. 
