GST Tax Brackets, Rule Breakdown & HSN/SAC Reference Guide

Learn GST tax calculation rules and access official government verification portals.

1. Official Government GST Lookup Tools

Use these direct links to the official Goods and Services Tax portal to search rates and verify customer details:


2. Understanding Indian GST Tax Slabs

Under the GST regime in India, goods and services are categorized under primary standard tax brackets:


3. IGST vs. CGST and SGST Rules

Tax Type Full Form Applicability Criteria
CGST + SGST Central GST + State GST Applied on Intra-State transactions (Supplier and Buyer are located in the same State/UT). Tax rate is divided 50/50 between Central and State governments.
IGST Integrated GST Applied on Inter-State transactions (Supplier and Buyer are located in different States/UTs) and imports. Full tax rate is charged under IGST.

4. Common HSN & SAC Code Quick Reference Table

Code Type Code Value Description Standard GST Rate
SAC 998313 Information Technology (IT) Design and Development Services 18%
SAC 998311 Management Consulting and Advisory Services 18%
SAC 998391 Specialty Design Services (Graphic, UI/UX, Visual) 18%
HSN 8471 Automatic Data Processing Machines and Laptops 18%