GST: FAQs on invoicing and registration under new tax regime

Law mandates person to obtain registration from place where he makes a supply of goods/services

I have a registered office and business in Pune (Maharashtra), and I have purchased steel goods from one registered trader or manufacturer from Kolkata (West Bengal) and sold the same on IGST to my customer in Hyderabad (Telangana). To save time and freight charges from Kolkata to Pune, I want to dispatch the goods directly to my customer in Hyderabad. Guide me on how to issue the invoice, keeping in mind that my supplier in Kolkata shouldn’t know to whom I am selling the goods in Hyderabad, as I am dispatching goods directly from Kolkata. Could I issue an integrated