The defluoridations process of drinking water developed by the NEERI is popularly known as -: (A) Activated sludge process, (B) Recarbonation process, (C) Nalgonda process, (D) Double pot method
Answer is C. NEERI developed a technique for removing fluoride by chemical deflouridation of water called Nalgonda technique. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 596