Which of the following statements about fluorosis in Telangana is incorrect?
1
Fluorosis is affecting over one lakh people as a result of high fluoride levels in water.
2
Karimangar in Telangana was the worst-affected district due to the bone and tooth disease.
3
It can be reduced by implementing reverse osmosis plants.
4
The disease's severity had decreased as a result of Mission Bhagiratha's provision of safe drinking water.