A reader alerts me to an M.Sc. thesis about the human mtDNA haplogroup R in India. This haplogroup branched from haplogroup N very early after the dispersion of humans out of East Africa. The study concludes that haplogroup R lineages in India are easily distinguishable from those of Western Eurasia.
Human mitochondrial DNA haplogroup R in India: Dissecting the phylogenetic tree of South Asian-specific lineages