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GST Basics & Rates

The fundamentals — how GST works, rates and rate changes, refunds, and how GST applies to different kinds of business.

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Up-to-date guides, checked against official sources.

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Archive — articles from 2017–2021, kept for reference

GST Basics & Rates

GST State Code List

Older 2018 table of the two-digit GST state codes (01 to 37) that form the first two digits of every GSTIN. Some entries may have changed; verify before use.

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