Returns6 min read

GSTR-1 vs GSTR-3B: what's the difference?

Comparison of GSTR-1 vs GSTR-3B: GSTR-1 is the detailed invoice-level statement of outward supplies (B2B, B2C, exports, HSN summary) that flows to buyers' input tax credit, while GSTR-3B is the summary return where net tax is paid — their outward-supply totals must reconcile or a mismatch can trigger notices.

GSTR-1 and GSTR-3B are the two returns most regular taxpayers file. They serve different purposes but must agree with each other.

This guide explains what each one reports and how to keep them consistent.

What is GSTR-1?

GSTR-1 is the detailed statement of outward supplies (your sales). It reports every invoice — B2B, B2C, exports, credit/debit notes — and the HSN-wise summary. This data flows to your buyers' input tax credit statements.

What is GSTR-3B?

GSTR-3B is a summary return. You declare total outward supplies, the input tax credit you are claiming, and pay the net tax for the period. It does not require invoice-level detail, but its totals must reconcile with GSTR-1.

How they connect

GSTR-1 reports the detail; GSTR-3B summarises and settles the liability. If the outward-supply totals in GSTR-1 and GSTR-3B do not match, you may receive notices, so reconcile them before filing.

Preparing both from your invoices

If your billing data is clean — correct GSTINs, HSN codes, and tax splits — both returns become straightforward. PocketGST's GSTR-1 and GSTR-3B helper reports classify your invoices into B2B/B2C and HSN sections so you can review the figures before uploading on the portal.

Key takeaways

  • GSTR-1 = detailed outward supplies (invoice-level).
  • GSTR-3B = summary return where you pay the net tax.
  • Their outward-supply totals must reconcile.
  • Clean invoice data makes both returns easy to prepare.

This guide is general information, not tax advice. GST rules and rates can change with GST Council notifications — verify specifics on the official GST portal or with your CA.

Put this into practice with PocketGST

Create GST-compliant invoices offline, apply the right CGST/SGST or IGST split, and prepare GSTR-1/3B helper reports — no signup on the Free tier.

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FAQ

GSTR-1 vs GSTR-3B: what's the difference? — FAQs

Do I have to file both GSTR-1 and GSTR-3B?+

Most regular taxpayers file both. Filing frequency (monthly or quarterly) depends on your turnover and the scheme you have opted for.

Which return do I pay tax in?+

Tax is paid through GSTR-3B. GSTR-1 reports the invoice detail but is not where the payment is made.

Does PocketGST file returns for me?+

PocketGST prepares helper summaries from your invoices for review. You still file on the official GST portal or through your CA.