South Asian ethnic groups
For example , most of the ethnic groups of the northeastern parts of South Asia are genetically related to peoples of East or Southeast Asia . There are also genetically isolated groups who have not been genetically influenced by other groups such as the Jarawa people of the Andaman Islands . The largest ethno-linguistic group in South Asia are the Indo-Aryans , numbering around 1 billion , and the largest sub-group are the native speakers of Hindi languages , numbering more than 470 million . 
<triplet> Jarawa people <subj> Andaman Islands <obj> location