Anti-dumping duty on white cement imposed, with conditional exemption for one exporter subject to contractual terms. Imposition of anti dumping duty on white portland cement from specified countries follows findings of dumped exports causing injury; specified per tonne duties apply to exporters except a named exporter granted exemption contingent on meeting three conditions: minimum CIF price, imports through designated ports, and payment by Letter of Credit within thirty days. Duty is effective from the provisional duty date, payable in Indian currency, with exchange rate for calculation prescribed by government notification and relevant at bill of entry presentation; the measure has a fixed expiry date.