Most common people feel that the first rays of science broke out in the west and thus started the wheel of development throughout the world. There was darkness in the field of science in the east As such, there is a tendency to follow the west. The unawareness of the fact that we had a scientific tradition and a scientific point of view often puts us on the backfoot. This book is an attempt to bring to light the glorious tradition that we had in various streams of science. Today's generation can get a direction from reading this literature; they can gain self-respect and hold their head high for being the major contributors to science and technology. Besides acquainting the modern generation with India's contributions in the field of science, this book will also inspire them to study more and experiment.