Anti dumping duty on specified steel billet imports; provisional differentiated exporter rates imposed and exchange rules set. Provisional anti dumping duty imposed on certain alloy and non alloy steel billets, bars and rounds (70-250 mm) originating in or exported from Russia and China, based on preliminary findings of dumping and material injury; differentiated per tonne duty rates apply by exporter as set in the notification table, covering goods under sub headings 7206.90, 7207.19 and 7207.20 that conform to listed Indian or equivalent international specifications; duty payable in Indian currency with exchange rate and relevant date as prescribed, and the measure is effective until the stated expiry date.