A ruler of this name migrated with 12,000 monks to a region suffering from famine, where they built massive temples between the twin hills of Sravana Belgola. The realm of a ruler with this name was described as an utopia where fines replaced corporal punishment by the visitor Fa Xian. The scientist Varahamihira, who showed several trigonometric identities, was among the luminaries gathered by a non-Mughal ruler of this name called the Nine Gems. Coins showing the queen of a ruler of this name indicate the role his (*) 
A ruler of this name migrated with 12,000 monks to a region suffering from famine, where they built massive temples between the twin hills of Sravana Belgola. The realm of a ruler with this name was described as an utopia where fines replaced corporal punishment by the visitor Fa Xian. The scientist Varahamihira, who showed several trigonometric identities, was among the luminaries gathered by a non-Mughal ruler of this name called the Nine Gems. Coins showing the queen of a ruler of this name indicate the role his (*) marriage alliance to a Licchavi woman had in expanding his empire from Magadha. The Nanda nobleman Chanakya served as the tutor of a devout Jain ruler with this name who voluntarily abdicated in favor of his son Bindusara. For 10 points, identify this name of the founder of the Mauryan empire.
A ruler of this name migrated with 12,000 monks to a region suffering from famine, where they built massive temples between the twin hills of Sravana Belgola.
Chandragupta [or Chandra Gupta (I or II); or Skanda-Gupta; accept Vikramaditya]