Know about the key differences between Interstate and Intrastate GST , their impact on MSMEs, tax rates, compliance, and how IGST, CGST, and SGST are applied. Learn the difference between Interstate and Intrastate GST and their significance in finding IGST, CGST or SGST. Understand Intra-State and Interstate GST Definitions and Distinctions, Available Exclusively at IndiaFilings. Understand the inter- state and intra-state meaning in GST , including the key differences in tax implications for businesses across India. What is the GST Interstate? Interstate meaning in GST : GST Interstate refers to the movement of goods or services between different states or Union Territories (UTs) within India. In the Goods and Services Tax ( GST ) regime, interstate transactions are subject to specific tax regulations distinct from intrastate supplies.