Dr. R.U.S. Prasad is currently engaged in post-doctoral research as an Associate in the Department of South Asian Studies, Harvard University. This book is culmination of more than three years of research at Harvard where he works with Professor Michael Witzel which was interspersed with research work in India. His research challenges the perception of some scholars that Vedic texts focus primarily on the religious and metaphysical aspects of Indian mind. Leveraging the robust framework of time and place, Dr. Prasad brings out the political and social aspects of the Aryan expansion as it transformed from a tribal, pastoral society to the emergence of the Kuru- Pancalas, the first large confederacy and beyond. Dr. Prasad holds a Doctorate degree from Jawaharlal Nehru University, India and a Master’s degree in History and Economics from Patna University, India. His other notable research engagements include Stanford University, where he was a visiting research fellow at the Stanford Center for International Development (SCID) where he also contributed two Working Papers which were published by SCID. Dr. Prasad has held a variety of assignments under the Government of India including that of Secretary to Government of India as also as a Member of Telecom Disputes Settlement and Appellate Tribunal. He has worked as Expert/Consultant for two Switzerland based United Nations (UN) specialized agencies, viz. International Telecommunication Union (ITU) and Universal Postal Union (UPU). He is widely travelled and has participated in many international conferences as leader of Indian delegation. He has also written a book titled ‘Resolving Disputes in Telecommunications- Global Practices and Future Challenges’ which was published by Oxford University Press, India in 2011.