Option b is the correct answer. Pair 1 is correct and pair 2 is incorrect: In the first quarter of the 9th century CE, the Chandella dynasty was founded by Nannuka, who was the ruler of a small kingdom and established his capital at Kharjjuravahaka (Khajuraho). Jayashakti and Vijayashakti (c. 865-885 CE) Vakpati's sons Jayashakti (Jeja) and Vijayashakti (Vija) consolidated the Chandella power. Pair 3 is correct The Pratiharas were also known as the Gurjara-Pratiharas, as they originated from the Gurjaras who were primarily pastoralists and fighters. Nagabhata II (reigned c. 793-833) was Vatsaraja's successor, he reorganized Pratihara power, attacked Kannauj. However, soon afterward he was defeated by the Rashtrakuta king Govinda III (reigned 793-814). Nagabhatta II was succeeded by his son Ramabhadra, who ruled briefly, and was succeeded, by his son Mihira Bhoja. Pair 4 is incorrect: Bhoja I / Mihir Bhoja (c.836-885 CE) Grandson of Nagabhatta II, who had a long reign of over 46 years and proved to be the most successful and popular ruler of Pratiharas. In the early years of his reign he was defeated by the Palas, Rashtrakutas and the Kalachuris, but he subsequently made a comeback. With the aid of feudatories such as the Chedis and the Guhilas, he won victories over the rashtrakutas. Impotant Tips The Chandellas of Bundelkhand trace their descent to a mythical ancestor named Chandratreya, born of the moon. The Chandellas initially ruled as feudatories of the Gurjara-Pratiharas of Kannauj, and were involved in conflicts with the Pratiharas, the Palas, and the Kalachuris of Chedi (who bordered the Chandellas on the south)