Each verse of each Upanishad has been extensively explained using simple language supplemented by elaborate notes so that these profound metaphysical treatises can be made accessible to even a lay man. Towards this end, extensive appendices have been added to elucidate the different concepts in simple words. Concepts such as OM, Naad, Naadis, Chakras, Yoga, Atma, Viraat, Moksha etc. are all elaborately explained in these separate appendices, a Mantra index in roman is also included.

The present volume contains 10 principal Upanishads of the Rig Veda. The Sequence of their listing in this volume strictly follows the sanction of the Upanishads themselves, as is Clear in Muktikopanishad, cant 1, verse no. 53.

Volume 2. contains 16 principal Upanishads of the Sam Veda. The sequence of their listing in this volume strictly follows the sanction of the Upanishads themselves, as is clear in Muktikopsnishad, Cantrol, verse no.56.