The meditation technique of the Aghori Babas.
One of the 12 Jyotirlinga.
The most sacred mantra, the sound of creation.
Spoken alone AUM.
Spoken with a Mantra Om (Om namah Shivaya, Om namo Narayanaya).
It is also called Pranava – Prana is the breath of life.
Harvest festival in Kerala.
Read about Onam here
http://utkarshspeak.blogspot.com/2010/08/onam.html