“No material culture is found to move from west to east across the Indus”. [in the relevant time period] - Jim G. Shaffer

The numerous and substantial mud brick “granaries” built by the close of Period HA at Mehrgarh, in the first half of the 5th millennium B.C., suggest a concern, unparalleled in contemporary cultures, for surplus production irrespec­tive of what was stored in them.

In both instances, the Indo-Aryan concept was never subjected to rigorous validation beyond the field of historical linguistics. Linguistic reconstructions were used to interpret archaeological materials, which in tum were used to substantiate the original cultural reconstructions. It was not until the mid-20th century that archaeological data were independently used to examine the validity of the Indo-Aryan concept.

Given these characteristics, a preference for cattle, after 5000 B.C., undoubtedly influenced other social, economic and political rela­tionships, and suggests that cultural developments in South Asia did not simply parallel those in Southwest Asia, where groups did not have a comparable bias.