Orissa was famous as Kalinga, Kosala, Odra and Utkala during ancient days. All these independent regions came under one administrative control which was known as Utkala and subsequently Orissa. The name of Utkala has been mentioned in Mahabharata, Ramayana and Puranas, and the existence of Utkala as a kingdom is found in Kalidas's Raghuvamsa.