The oldest known race of Uttarakhand is the Kirat. They are an indigenous people of the Himalayas who have been living in the region for thousands of years. The Kirat are known for their unique culture and traditions, which are closely tied to the land. They are also known for their physical strength and prowess in battle.
The Tangan are a group of people who live in the Kumaon region of Uttarakhand. They are believed to be descendants of the Kirat and share many of their cultural and linguistic features. The Tangan are a distinct ethnic group with their own unique culture and traditions.
The Bhotia are a group of people who live in the Garhwal region of Uttarakhand. They are believed to be descendants of the Aryans who migrated to the region from Central Asia. The Bhotia are a distinct ethnic group with their own unique culture and traditions.
The Kol are a group of people who live in the Terai region of Uttarakhand. They are believed to be descendants of the Dravidians who migrated to the region from South India. The Kol are a distinct ethnic group with their own unique culture and traditions.
The correct answer is (a) Kirat.