
Steppe ancestry is disproportionately higher in Bhumihars aka REAL BABHANS according to Harvard University's research on Indian genetics headed by world's most renowned geneticist Dr. DAVID REICH. Source/Link given below.
Source: "The Formation of Human Populations in South and Central Asia." by Harvard University's scientists and world's most renowned genetics scientist Dr. David Reich, published in the most reputed journal 'Science'.
This research is the largest and the most comprehensive research so far, about the genetics of South Asian castes and tribes.
Link of the Harvard University Research Paper: https://www.science.org/doi/10.1126/science.aat7487