in 1228 A.D. an event occurred in the northestern region of india,which not only changed the destiny of the brahmaputra valley and the surrounding mountains,but also of south east asia.A group of Shan or Tai warriors,led by a brave leader named Sukapha,having left its original home in the Shan country in Myanmar,entered Upper Assam and set up the nucleus of what was later to become the powerful ahom empire......................