This is the navarna mantra of the goddess Durga. The Navarna Mantra is the Navakshari mantra which means mantra having nine syllables. It is also popular by the names of the Chamunda Mantra or Chandi Mantra. This is the basic mantra of the Shri Durga Saptashati recitation. People who belong to the Shakti cult has great faith in mantra and hence this is the integral part of their practice.
There is an intelligence that is the guiding force for the universe, the one that is the most powerful and ancient. The Soham mantra, which resonates “I am he/that”, indicates an association with that divine intelligence, the oneness of all.