S.24 mandates GST Registration for Interstate Taxable Supply of Goods & Services But NNo. 10/2017-IGST allows threshold exemption for Interstate Supply of Taxable Services Export of Services (consultancy, advisory etc.) = Inter-State supply (Sec 7) Even though Export of Services is a Zero rated Supply ,it is first an Interstate Supplies of Services hence eligible for Exemption!! Screenshot Post navigation Update in GSTR-3B – 30-01-2026 Income tax law