am indebted to Mr.M.S. Prabhakar, M.A., and Mr.G.Rajaram Rao., M.A.Lecturers in English,
Gauhati University, for correcting the typescript; to MR.Divaya KishoreSingh, M.Sc.,
Lecturer in Geography, Gauhati University for writing the map of Assam showing the sacred
religious centres; and to Mr.S.Shankara Jois, M.Sc. Lecturer in Physics, Gauhati
University, for helping me in typing the manuscript.
My thanks are due to the Director General of
Archaeology to the Government of India and to Sri Ganga Prasad Sarma of the Gauhati
University Library, who have kindly lent me a few photographs of monuments and permission
for the reproduction.
We are thankful to the Bharatiya Vidya Bhavan,
the sponsors of this scheme, for providing us an opportunity to study this problem and to
the publishers and authors of works quoted in this book.
We have tried our best to present the account
in its true perspective and for any shortcomings we crave the indulgence of the reading