US American is a nationality not an ethnic group. Similarly, when it comes to ethnicity, a person from India cannot be classified as Indian. Hence, Indian is a nationality not an ethnic group.According to the US Department of States, the people from India can be categorized in these ethnic groups: Indo-Aryan 72%, Dravidian 25%, Mongoloid 2%, and Other 1%.eport Abuse. INDIA is in INDIA it's a continent within it's self an it's inhabitants are INDIAN not white not black or anything thing else. The British claimed our ethnicity to be Caucasian to increase their races population numbers simple as that.