In the beginning was only one race " Homo-spines". Very strange that European white see the Truth that the Nordic Aryan is historical accident. But the Indo-Aryans, at least some, don't want face the truth. Race could have become different, but we have to develop mutual tolerance and acceptance to live together on this earth. There is no denying of gradual migration of the races in India. 1.0 Earliest ,some 3000 thousand years back to Indian west coast and trekked along the sounding coast, and then through south-Asian Islands before 3 to 5 thousands years , ending up in Australia. They are Known as Austro- Asiatics.
2.0 Then Africans migrated northwards as weal They are the Mediterraneans,or better known as Phoenicians ( Brown coloured people in their own language ) Some of them who migrated to Indus valley, before 5000 years', identified by Anthropologists as Dravidians.
3.0 Indo-Aryans , a part of Nordic-Aryans who arrived in Persia and, later, further trekked to Indus valley, before 3500 years.
4.0 In Assam Bangala, Orissa the mangolian gets mixed up and is seen along south Asia.
This the message I wish to share, as an introduction to a serirs of links, if I am given time.