Krishna I is known for completing the establishment of Rastrakuta supremacy over the dominions of Chalukyas. Last Badami Chalukya Kirtivarman II though defeated by Dantidurga, but remained in power till 757 AD when he was destroyed by Krishna I. This is mentioned in the copper plate grant of Govinda III. Krishna I is best known for execution of the most marvelous architectural work in India i.e. Kailas Temple at Ellora. Kailas Temple is the most extensive and most opulent example of rock cut architecture in India.