The Indian Guideline for fluoride in drinking water :
- The guideline for fluoride in drinking water is 1.0 mg fluoride/liter; it is the maximum the that body may tolerate; less the better as fluoride is injurious to health.
- It is the observation in India, that there are safe and unsafe water sources existing in the villages.
- Testing for fluoride should apply to cent percent sources. This would enable to identify safe sources existing in a village and the maximum contaminant level of fluoride in a village.