जिव्हया वायुमाकृष्य पूर्ववत् कुम्भसाधनम् ।
शनकैर्घाणरन्घ्राभ्याम रेचयेत् पवनं सुधीः ।।
By doing this Pranayama the body feels cool. Therefore, it is called Sheetali Pranayama.
Air is drawn in over the tongue and Kumbhak is performed as before. The wise practitioner then breaths out slowly through both the nostrils.
It is obvious from the name of the Pranayama itself that it gives cooling effect to the body.
After doing this Pranayama one feels mental steadiness, pleasant and energetic.
Avoid this Pranayama in crowd where too many persons are gathered.
People with low blood pressure should avoid this Pranayama.