Which tribe is known as High Altitude Pastoralists who raise yaks and goats?

Answer: Option A

Changpa tribal group belongs to Mongoloid ethnic group. This tribe is mainly found in the Changthang Plateau of Ladakh. These people are mostly found in Leh and Kargil districts. They speak Chagskhat, a dialect of Tibet. These people are high altitude pastoralists who raise yaks and changthangi goats.