No, Merchant does not need to show manufacturing units, nor he needs any licence because licence like FSSAI (Food Safety and Standards Authority of India) are made for Indian norms & it does not required for exports , its required to sell on local market or import food products & sell in the domestic area.
I am providing you export packaging bag of my student, that bag is used by him for multiple products http://avdenterprise.co.uk/ (They have made the website based on UK extension as their target market is UK only)
Bags sample for MERCHANT Exporter , : http://avdenterprise.co.uk/Products.aspx
