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Home / Tax & Compliance / GST Return Filing
Last updated: 2 October 2026
Accurate, on-time GST returns protect your input tax credit and your customers’ credit. Our team prepares and files your monthly or quarterly returns, reconciles purchases through the Invoice Management System and handles the annual return.
Two changes from 2025 matter: the tax liability in GSTR-3B auto-filled from GSTR-1 can no longer be edited from the July 2025 period (corrections go through GSTR-1A first), and returns cannot be filed more than three years after their due date. For FY 2025-26, GSTR-9 is optional up to ₹2 crore turnover and GSTR-9C applies above ₹5 crore, both due by 31 December 2026.
Based on the CGST Act, 2017, CGST Rules and GSTN advisories. Last updated: 27 September 2026.
GSTR-1 due date for monthly filers
GSTR-3B due date for monthly filers
Turnover limit for the QRMP scheme
Returns cannot be filed after this from the due date
GSTR-3B liability auto-filled from GSTR-1 cannot be edited
GSTR-9 and 9C due for FY 2025-26
Mismatches cost credit and trigger notices.
Claiming credit not shown in GSTR-2B.
GSTR-1 mistakes flow into GSTR-3B and cannot be edited.
Old returns become time-barred after three years.
Related GST services.
Getting registered.
Responding to notices.
GSTR-9 and 9C.
Clean books for returns.
Sales and purchase data collected.
Supplier invoices reviewed in IMS.
Outward supplies filed.
ITC matched with GSTR-2B.
Summary return filed and tax paid.
Working papers kept for audit and notices.
The annual return closes each financial year.
Optional up to ₹2 crore turnover for FY 2025-26.
Self-certified reconciliation above ₹5 crore.
31 December after the financial year.
FY 2025-26 returns show supplies before and after the 22 September 2025 rate changes.
Share your query and our team will reply during business hours.
The 20th of the following month for monthly filers; the 22nd or 24th after the quarter under QRMP.
The liability auto-filled from GSTR-1 cannot be edited from the July 2025 period; corrections go through GSTR-1A.
Yes. Returns cannot be filed more than three years after their due date.
Taxpayers with aggregate turnover up to ₹5 crore.
For FY 2025-26 it is optional up to ₹2 crore turnover.
ACS – Director, Expertvuw Management Pvt Ltd
Tax work is handled by Expertvuw’s team. Audits and certifications required by law are issued by independent Chartered Accountants, and representation before tax authorities and tribunals is made by authorised professionals or advocates.