Arun Kumar Jha has had a long teaching and research experience as Professor of History in T. M. Bhagalpur University, Bhagalpur. He worked as Visiting Fellow and Visiting Professor, besides being Resource Person in various universities. He was empanelled by the ICCR, New Delhi, as Professor to the Chairs of Indian Studies Abroad. There are several published research papers and books to his credit. Seema Sahay is an accomplished academic writer and a freelance consultant associated with publishing industry. She holds an impressive academic record up to her Ph.D. and worked as a Junior Research Fellow of ICHR, New Delhi, in the Department of History, T. M. Bhagalpur University, Bhagalpur. She is engaged in historical studies especially related to science of medicine in the history of ancient India. She has participated in a number of seminars and conferences. Some of her research papers are published in different journals and proceedings.