The correct sequence of political organization units is from grama to vis, as per Elman Service's categorization.
The correct sequence among the units of political organization is d) grama, jana, kula, vis.
In Elman Service's scheme, societies are categorized into bands, tribes, chiefdoms, and states based on their levels of socio-cultural integration.
This categorization demonstrates the progression from small groups with no formal leadership to organized political units with central governments and formal laws.
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