<prompt> Normal safe limit of Fluoride content in drinking water is0.5 to 0.8 mgL0.8 to 1.0 mgL0.2 to 0.5 mgL0.2 to 0.8 mgL  <response>: The recommended level of fluorides in drinking water in India is accepted as 0.5 to 0.8 mg per literRef: Park; 23rd ed; Pg 625 