“…The new survey data, the computational visibility and network analyses, combined with the examination of the regions' archaeological record (Rawat 2017), allow us to propose a new theory for the socio-political structure of medieval Garhwal Himalaya (summarised in Figure 10). Up to the fifteenth century AD, the fortification phenomenon was structured as local clusters (representing either mandalas or later competing chiefdoms) that were intervisible at short distances, with one or a few major forts in each cluster.…”