The land of Odisha or former Kalinga has undergone several changes in terms of its boundaries since ancient ages. It was also known by different names like Odra Desha, Kalinga, Hirakhanda, Mahakantara or Utkala in different eras. Unlike other Ancient Kingdoms in India, Odisha for most part of the History remained a stable and major power till medieval era due to wide spread martial culture and prosperity brought by successive native ruling dynasties.