Kalinga was an early republic in central-eastern India, which comprised most of the modern state of Odisha, as well as the Andhra region of the bordering state of Andhra Pradesh. It was a rich and fertile land that extended from the river Damodar/Ganges to Godavari and from Bay of Bengal to Amarkantak range in the West.The region was scene of the bloody Kalinga War fought by the Maurya Emperor Ashoka the Great of Magadha c. 265 BCE.
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Kalinga Magha was a prince from the Kingdom of Kalinga which was in the
Orissa state of modern India. His family was connected to the rulers of
Ramanathapuram in Tamil Nadu. Kalinga Magha’s relatives of
Ramanathapuram administered the famous temple of Rameswaram.