Tarasara Upanishad is one among the 108
Upanishads and belongs to the
Shukla Yajurveda. Tarasara means the 'essence of crossing mundane existence'.
When Sage Bharadwaj ask Sage Yajnavalkya about the secret of crossing mundane existence, Sage Yajnavalkya reveals the eight syllabled mantra, ‘Om Namo Narayanaya.’ Tarasara Upanishad mentions attainment of immortality by just chanting of the above mentioned mantra.
