The treasure of ancient India, if sincerely and honestly deciphered, shall not only help us to understand and appreciate the magnificent heights of scientific and technological advancement in ancient India but shall also provide the much needed impetus to take the modern age of Information Technology. The ancient India, a scientifically advanced, technologically sound, materially prosperous and above all a spiritually enlightened India. Advancement of human kind in all spheres of human endeavour which include art and architecture, town planning, development to human languages, musical nodes and compositions, literally writings, decimal system of counting, rapid computations using micro mathematical sutras, natural medicines, system of governance and above all. ABOUT THE AUTHOR:- Sh. S. Narain an Alumnus of IIT, Roorkee earlier known as university of Roorkee, has been the Registrar Board of Technical Education Govt. of Delhi. For more than 15 years with a rare distinction of having got sponsored into I.A.S. by Govt. of Delhi. He has also worked as officer on Special Duty, Delhi College of Engineering, Govt. of Delhi, a prestigious Engineering College for degree, post degree and doctorate level courses for several years. CONTENTS:- Chapter 1 : The Wonder that was India 1