Solution: Satakarni-II mentioned in an inscription of the gateway of Sanchi, the Yugapurana and in few coins. Nanaghat inscription was issued by Devi Naganika. The Nanaghat inscription describes the achievements of the ruler Satakarni-I. Devi Naganika was the widow of one of the greatest kings of the early Satavahana king, Satakarni-I. These inscriptions have been dated between the 2nd and the 1st century BC.