|It is based on the
Mantra or Hymn called Hamsa, which is connected with the inhalation and exhalation of a
human breath. Every human being starts chanting this Mantra the moment he is born into
this world and it ends when he ceases to exist. The sound Ha' represents inhalation, i.e.
the sound caused while inhaling breath, and the sound 'sha' is caused while
Control over this breath is
the basic principle of Pranayama. When breath is controlled mind is controlled too. The
fleeting nature of mind being controlled, it can be concentrated on divine thoughts. As a
swan (Hamsa) is to be kept under control for utilizing its services, the mind is to be
brought under sway by controlling the breath, the hymns of Hamsa or Ajapa
Gayatri.According to medical investigation, the normal healthy man has 15 breaths per
minute or in other words 21,600 breaths per day.