The correct answer is (a) Katyuri.
The Katyuri dynasty was a Hindu dynasty that ruled over the Kumaon region of Uttarakhand from the 8th to the 13th centuries. They were mentioned by the Chinese pilgrim Hieun Tsang in his travelogue, which was written in the 7th century. Hieun Tsang described the Katyuris as a powerful and prosperous dynasty.
The Katyuris were originally from the Katyur region of Himachal Pradesh. They migrated to Kumaon in the 8th century and established their capital at Nagarkot. The Katyuris were a Buddhist dynasty and they built many temples and monasteries in Kumaon.
The Katyuris were overthrown by the Chand dynasty in the 13th century. However, their legacy continues to this day in the form of the Katyuri culture and language.
The Paurav dynasty was a Hindu dynasty that ruled over the Garhwal region of Uttarakhand from the 11th to the 18th centuries. They were not mentioned by Hieun Tsang in his travelogue.
The Chand dynasty was a Hindu dynasty that ruled over the Garhwal and Kumaon regions of Uttarakhand from the 13th to the 19th centuries. They were not mentioned by Hieun Tsang in his travelogue.
The Parmar dynasty was a Hindu dynasty that ruled over the Malwa region of Madhya Pradesh from the 8th to the 14th centuries. They were not mentioned by Hieun Tsang in his travelogue.