Anti-dumping duty imposed after revocation of price undertaking, reinstating provisional measures and definitive investigation. Imposition of an anti-dumping duty on imports of fully drawn/fully oriented/spin drawn/flat polyester yarn produced and exported by M/s H.K. Corporation, Republic of Korea, follows findings of dumping, material injury and causal link; the designated authority revoked a prior price undertaking by the exporter, recommended provisional measures pending final determination, and the Central Government imposed a specified duty per metric tonne payable in Indian currency with exchange rate determined by the notified Customs Act rate on bill of entry presentation.