Anti-dumping duty on sodium hydroxide imposed; calculation based on difference between specified amount and landed value. Imposition of anti-dumping duty on Sodium Hydroxide imports from specified countries is based on findings of exports below normal value causing material injury; duties are country- and exporter-specific dollar-per-metric-tonne differentials and are calculated as the difference between the specified amount and the landed value per metric tonne, payable in Indian currency, with the applicable rate of exchange as notified and the bill of entry date as relevant.