If you find the import of products under the said HS Code is restricted you need to apply for grant of an ‘Authorisation’ for import or export of the said items to RA, with a copy to DGFT headquarters in ANF 2M (as prescribed in Handbook of Procedures) along with documents prescribed therein. Original application along with Treasury Receipt (TR) / Demand Draft needs to be submitted to RA concerned and self-attested copy of same needs to be submitted to DGFT in duplicate along with proof of submission of application to concerned RA. You can contact your DGFT office near your area.