Excise Duty In Manganese Ore Grinding apos-project. Manganese Ores And Concentrates, Including . Manganese Ores And Concentrates, Including Ferruginous Manganese Ores And Concentrates With A Manganese Content Of 20% Or More, Calculated On The Dry Weight Updated India Import Duty and Custom duty of Customs tariff of 2006, 2007, 2008 and 2009 in ...