Option c is the correct answer. King Kharavela of Kalinga, ruling during the second or first century BCE, strongly embraced Jainism. He was a great patron of Jainism and is known for his patronage of the construction of Jain temples and stupas. Hathigumpha inscription show that Kharavela was deeply committed to Jainism and that he believed that it was the best way to live a moral and fulfilling life.