South Indian origins.
https://www.the-scientist.com/news-opinion/ancient-dna-traces-history-of-south-asians-66395 We don't often think about it, but all modern-day races and cultures are a combination of ancient civilizations, many of which are overlapping in ways we probably wouldn't guess at. This article focuses on the origin of South Asians. Modern-day Indians and Pakistanis partially descend from farmers and hunter-gatherers from the Bronze Age Indus Valley Civilization, according to articles published by Cell and Science. Some members of the valley civilization, notable farmers, migrated southeast and mixed with hunter-gathers from different regions of southeast Asia and made the ancestral South Indians. Others traveled North and came across nomadic Europeans. They combined their cultures and created Indo-European languages. This was the rise of the ancestral North Indians. As mentioned earlier, farmers being the ones who split off is very important for the development of their civilizations...