The correct option is C Amoghavarsha
Mauyalchetam was built by Amoghavarsha. Amoghavarsha was a Rashtrakuta emperor, the greatest ruler of the Rashtrakuta dynasty, and one of the great emperors of India. His reign of 64 years is one of the longest precisely dated monarchical reigns on record. Amoghavarsha entertained the highest admiration for the language, literature and culture of the Kannada people.