Kak co-authored In Search of the Cradle of Civilization with Georg Feuerstein and David Frawley, equating the Vedic Aryans with the Harappans and thus, participating in the political controversy around the "Indigenous Aryans" theory.Edwin Bryant, The Quest for the Origins of Vedic Culture: The Indo-Aryan Migration Debate. Oxford University Press, 2001. The chronology espoused in this book is based on the archaeoastronomical readings obtained by correlating textual references and archaeological remains.
