Received: 2 February 2020
Accepted: 7 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: All procedures performed in the study involving human participants were in accordance with the ethical standards and was approved by the Institutional Ethical Board, Department of Anthropology, Delhi University.
: All subjects gave their consent for conducting research on their samples and publishing the same. The personal identity of any subject is not disclosed in the manuscript.
: No Competing Interest.