namak ke fayde aur nuksan, uses and caution of salt, types of salt, World threat<br />sea sal,samudri namak,bay salt<br />kala namak,<br />saindhav namak,pahadi namak,lahori namak,sendha namak<br />sodium cloride<br />health benefits and caution<br />uses in ayurveda and precaution of salt
