Principal component analysis (PCA), a statistical tool that separates individuals on the basis of differences in their properties was employed to place each social group on a plot. According to this plot Shias and Sunnis are much closer to Brahmins, Bhargavas, and tribals from Karnataka than people from UAE, Yemen, Egypt, Iran, Iraq, and or Central Asian countries. PCA generated a plot that showed three clear clusters- Souther Arabian Peninsula, North East African population in upper left quadrant, East Central Asian and Middle Eastern group in the lower right hand corner, and all Indian groups can be found closer to each other to the right.
The scientific paper detailing this study is going to be published by the American Journal of Physical Anthropology. Dr. Razi Raziuddin who is a scientist at the prestigious National Cancer Institute in Maryland, USA and have read the paper believes that study conclusively proves that "majority of Muslims in North India are upper caste converts" which disproves the propaganda carried out by the Sangh Parivar that Indians were forced to convert to Islam. If this was the case Dr. Raziuddin argues we would not have seen Muslims genetically so close to Brahmins and other upper caste groups.
The study conclusively proves that Indian Muslims are part of the genetic landscape of India. According to the paper "our results demonstrate that the mtDNA haplogroup M is present in the Indo-Shia and the Indo-Sunni Muslims at a frequency of 50-60
