In ancient times it was believed that blowing the conch could send sound waves far and wide, thereby removing ill effects of the bad elements.
== '''Formation'''==
Place the thumb of the left hand at the base of the right thumb. This is the point of thyroid gland in the palm. Fold the fingers of thee right hand covering the left thumb. Join the index finger of the left hand with the thumb tip of the right hand. The other three fingers of the left hand are to be placed on the back of the right palm.