Anti-dumping duty on persulphates imposed to counter dumped imports from USA and Taiwan and address resulting injury. Imposes definitive anti-dumping duty on peroxosulphates (persulphates) following findings that exports from the United States of America and Taiwan were dumped and caused material injury; specific per metric tonne duty rates in US Dollar terms are prescribed in the Table, duties apply to goods originating in or exported from the subject countries including via third countries, are effective for five years from publication unless earlier changed, payable in Indian currency, and calculated using the exchange rate notified under the Customs Act; legal authority is section 9A of the Customs Tariff Act read with the cited anti dumping rules.