Import licensing for mulberry raw silk limited to designated ports with certification or testing and mandatory customs reporting. Imports of Mulberry Raw Silk under Exim Code 500200 00 are permitted only through the ports of Calcutta, Chennai, and Mumbai; customs shall accept certificates from internationally recognised agencies for grade verification or, absent a certificate, draw samples and have the Central Silk Board test consignments per International Silk Association procedures; customs must send weekly reports to the Ministry of Textiles on quantity and value of such imports.