Explanation:

 Chandraguta. The Nanda dynasty was replaced by the Maurya Empire, India’s first empire. The Maurya Empire and the religion of Buddhism arose in the region that now makes up modern Bihar. The Mauryan Empire, which originated from Magadha in 325 BC, was founded by Chandragupta Maurya, who was born in Magadha. It had its capital at Pataliputra (modern Patna). The Mauryan emperor, Ashoka, who was born in Pataliputra (Patna) is believed to be one of the greatest rulers in the history of the world.