In this book, I have given all important items that are useful for all Sadhakas
The book is divided into seven chapters dealing with philosophy of Om, Meditation on Om, Prayers, Songs and Keerthan on Om. Detailed lessons given in this book on Japa, meditation of Om will be of great help to all aspirants in their daily sadhana. At the end, I have added the exhaustive notes and commentary on Mandukya Upanishad, the most important of all the major or Classical Upanishads.

Mandukya Upanishad is an Upanishad of the Atharva Veda. It is one of the classical upanishads. There are 12 mantras in the upanishads. Sri Gaudapadacharya, the paramaguru – the grand preceptor of Sri Sankara has written has written Karika on the Upanishad which is very illuminating and sublime.