Explanation: Magadha’s rise to political supremacy began with Bimbisara, who belonged to the Haryanka dynasty, and ruled for 52 years, from 544 to 492 BCE.

• In the Mahavamsa, it is stated that he was appointed as the king by his father at the age of 15, which suggests that he was not the founder of his dynasty.
• He was a contemporary of both Buddha and Mahavira and paid equal respect to them.

Source: Tamil Nadu NCERT