Emperor Ashoka conquered Kalinga after how many years of his coronation?

Correct option is B

The correct answer is (b) 8 years.
 Emperor Ashoka was coronated in 268 BCE.
 The Kalinga War took place in 261 BCE, eight years after his coronation.
 The Kalinga War is one of the most significant events in Ashoka's reign, leading to a massive loss of life and prompting his conversion to Buddhism.
 The aftermath of the war led Ashoka to embrace non-violence and spread Buddhist principles throughout his empire and beyond.
 Ashoka's inscriptions, particularly the Rock Edict XIII, provide detailed accounts of the war and its devastating effects.