Anti-dumping duty imposed on imported polypropylene from Oman, Saudi Arabia and Singapore, with specified producer-based rates. The Central Government, based on the designated authority's preliminary finding of dumping, substantial dumping margins and material injury, imposes provisional anti-dumping duties on polypropylene (heading 3902) from Oman, Saudi Arabia and Singapore. A table prescribes specific duty rates per metric tonne in US dollars tied to country of origin/export and named producers/exporters, with nil or specified rates for certain combinations and higher rates for others. Duties are payable in Indian currency; exchange rate is as notified under section 14 of the Customs Act, with the bill of entry date as relevant. The duty is effective until 29 January 2010.