Correct Answer - (C) 261 BC
Explanation: The Kalinga War (262 – 261 BC) was fought in what is now India between the Maurya Empire under Ashoka and the state of Kalinga, an independent feudal kingdom located on the east coast, in the present-day state of Odisha north of Andhra Pradesh. The Kalinga War included one of the largest and bloodiest battles in Indian history.
