The Chavda dynasty rose to power in Saurashtra, a region of Gujarat in western India. The Chavdas were a Rajput clan who ruled Saurashtra from the 8th to the 13th centuries. They were initially vassals of the Pratiharas, but they later became independent. The Chavdas were a powerful dynasty and they played an important role in the history of Gujarat. They were patrons of the arts and literature, and they built many temples and other monuments. The Chavda dynasty came to an end in the 13th century, when they were overthrown by the Vaghela dynasty.
Option a) is incorrect because South Gujarat is a region of Gujarat that is located to the south of the Narmada River. The Chavdas did not rule South Gujarat.
Option b) is incorrect because North Gujarat is a region of Gujarat that is located to the north of the Narmada River. The Chavdas did not rule North Gujarat.
Option c) is correct because Saurashtra is a region of Gujarat that is located to the west of the Narmada River. The Chavdas ruled Saurashtra from the 8th to the 13th centuries.
Option d) is incorrect because Kutch is a region of Gujarat that is located to the north of Saurashtra. The Chavdas did not rule Kutch.