Prehistory and Protohistory in India and Pakistan c4.s5.1

c4.s5.1

Further eastwards the Brahmaputra Valley forms Assam. But geomorphologically Assam consists of three entirely different regions belonging to three structural formations, the Himalayan frontier; the main Assam or Brahmaputra Valley which is an extension of the Indo-Gangetic trough and the Shillong Plateau which essentially belongs to the older peninsula. (See Fig. 113)