This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
The defluoridations process of drinking water developed by the NEERI is popularly known as – 
Select and explain. 
A. Activated sludge process, B. Recarbonation process, C. Nalgonda process, D. Double pot method
C: Nalgonda process
Answer: C: Nalgonda process 
Explanation: None