Option b is the correct answer. Dantidurga, also known as Dantivarman II, laid the foundation of the Rashtrakuta Empire. He reigned from 735 to 756 CE and was the founder of the Rashtrakuta dynasty. His capital was based in the Gulbarga region of Karnataka. He defeated the Chalukyas, took titles like Rajadhiraja and Parameshvara, and extended his kingdom's boundaries by conquering various regions, including Madhya Pradesh and Southern Gujarat. Important Tips Famous Rashtrakuta Kings: Dantidurga (c. 733-756 CE): Feudatory of Chalukya king Kirtivarman II, later founded Rashtrakuta kingdom. Ascended throne in c. 733 CE. Helped father-in-law Pallava King Nandivarman regain Kanchi, defeated Gurjaras, rulers of Kalinga, Kosala, and Srisailam. Krishna I (c. 756-774 CE): Extended Rashtrakuta empire, controlled Karnataka and Konkan. Built rock-cut Kailashnatha Temple at Ellora dedicated to Lord Shiva. Defeated Pallavas. Dhruva (c. 780-793 CE): Expanded empire from Kaveri River to Central India. Conquered Kannauj, defeated Gurjara-Pratiharas, Palas of Bengal. Brought Eastern Chalukyas and Gangas of Talakad under control. Amoghavarsha I (c. 814-878 CE): Built capital Manyakheta (Malkhed). Defeated Eastern Chalukyas, established peaceful relations with Gangas, Pallavas. Patron of literature, wrote Kavirajamarga in Kannada, Prashnottara Ratnamalika in Sanskrit. Peace-loving, compared to Ashoka and Gupta king Vikramaditya for patronage of arts, literature.