Sitkari Pranayam (Cooling Breath)
Like Sitali, Sitkari is also a breath cooling technique that removes excess heat from the body. It also cures diseases like acidity, hypertension and harmonizes the secretions of reproductive organs and all the endocrine system. It is also helpful to improve digestion, control High Blood pressure and purify the blood.
Sit in any comfortable posture. Bring your jaws together, so that your upper and lower teeth are a small distance apart and roll the tongue upward in such a way that the front portion of the tongue against the front teeth and the rest of the tongue on the palate. Keep the lips open. Now inhale through your teeth, with the air passing over your tongue.
The Air should feel cool as it moves over the surface of your tongue during inhalation. Retain the breath as long as possible and then exhale through both the nostrils.