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GST Compliance Calendar 2025: Important Deadlines Every Business Must Track

Staying compliant under the Goods and Services Tax (GST) regime is not just about filing returns—it’s about filing them on time. Missing deadlines can lead to penalties, interest charges, and notices from the tax department. That’s why every business, whether a startup, SME, or large enterprise, must have the GST compliance calendar for 2025 at their fingertips.

In this guide, we cover monthly, quarterly, and annual GST deadlines for 2025, along with expert tips to avoid last-minute hassles. By the end, you’ll have a one-stop GST calendar that keeps your business compliant all year long.

 

Why GST Compliance Deadlines Matter

  • Avoid penalties & interest – Late filing attracts penalties of ₹50 per day and 18% interest on unpaid tax.
  • Maintain good compliance rating – Timely filing improves your GST compliance score, crucial for businesses working with corporate clients or government.
  • Smooth input tax credit (ITC) claims – Your customers can claim ITC only when you file returns on time.
  • Avoid GST notices – Consistent delays increase the risk of scrutiny by the GST department.


Simply put, timely GST compliance = peace of mind + financial savings.

 

Monthly GST Compliance Calendar 2025

Here’s a month-by-month breakdown of GST filing deadlines that apply to most businesses in India.


January 2025
  • Jan 11 – GSTR-1 (Outward Supplies for December 2024)
  • Jan 13 – GSTR-6 (ISD Return)
  • Jan 20 – GSTR-3B (Summary Return for December 2024)
  • Jan 31 – GSTR-9 (Annual Return for FY 2023–24, if not extended)

February 2025
  • Feb 11 – GSTR-1 (for January 2025)
  • Feb 20 – GSTR-3B (for January 2025)
  • Feb 25 – PMT-06 (for QRMP taxpayers)

March 2025
  • Mar 11 – GSTR-1 (for February 2025)
  • Mar 20 – GSTR-3B (for February 2025)
  • Mar 31 – GSTR-9C (Reconciliation Statement for FY 2023–24, if applicable)

April 2025
  • Apr 11 – GSTR-1 (for March 2025)
  • Apr 20 – GSTR-3B (for March 2025)
  • Apr 25 – PMT-06 (QRMP, Q4 FY 2024–25)

…and so on for each month. Businesses on the QRMP scheme will also need to track quarterly deadlines in addition to monthly PMT-06 payments.

 

Quarterly GST Compliance (QRMP Scheme)

For businesses with turnover up to ₹5 crore, the Quarterly Return, Monthly Payment (QRMP) scheme applies. Deadlines include:

  • GSTR-1 (Quarterly): 13th of the month following the quarter.
  • GSTR-3B (Quarterly): 22nd or 24th of the month following the quarter (depending on state).
  • PMT-06 (Monthly): 25th of the following month for tax payment.


For example, for Q1 FY 2025–26 (April–June):

  • GSTR-1 due by July 13, 2025
  • GSTR-3B due by July 22/24, 2025

 

Annual GST Compliance Deadlines in 2025

  • GSTR-9 (Annual Return): Due December 31, 2025 for FY 2024–25.
  • GSTR-9C (Reconciliation Statement): Due December 31, 2025 for businesses with turnover above ₹5 crore.
  • GST Audit (if applicable): Must be completed before filing GSTR-9C.

 

Special GST Deadlines to Track in 2025

  1. TDS & TCS Returns (GSTR-7 & GSTR-8):
    • 10th of every month.
  2. Non-Resident Taxpayer Returns (GSTR-5):
    • 20th of every month.
  3. Input Service Distributor (ISD) Returns (GSTR-6):
    • 13th of every month.
  4. ITC-04 (Job Work Statement):
    • Quarterly filing for manufacturers sending goods to job workers.

 

Common Mistakes Businesses Make with GST Deadlines

  • Missing quarterly vs monthly due dates under QRMP.
  • Filing GSTR-1 but forgetting GSTR-3B.
  • Not reconciling GSTR-2B with GSTR-3B before filing.
  • Ignoring annual return deadlines.
  • Waiting until the last day, risking portal downtime.

 

Tips to Stay Ahead of GST Compliance in 2025

  • Use a compliance calendar – Maintain an internal GST tracker with due dates.
  • Automate reminders – Use accounting software or Google Calendar to avoid missing deadlines.
  • Reconcile monthly – Match GSTR-2B with purchase records before filing.
  • Hire a professional – A CA-led team ensures timely, error-free compliance.

 

FAQs on GST Compliance Calendar 2025

Q1. What happens if I miss a GST filing deadline?
Late filing attracts a penalty of ₹50 per day (₹25 CGST + ₹25 SGST) and interest at 18% on unpaid tax.

Q2. Can GST returns be revised if filed incorrectly?
No. Errors can only be corrected in subsequent returns. Accuracy is critical.

Q3. Is GSTR-9 mandatory for all businesses?
No. Businesses with turnover below ₹2 crore are exempt from filing GSTR-9.

Q4. How do I track all GST due dates easily?
Using a GST compliance calendar or hiring experts ensures you never miss deadlines.

Q5. Do QRMP taxpayers have fewer deadlines?
Yes, they file GSTR-1 and GSTR-3B quarterly, but must still pay tax monthly via PMT-06.

 

Conclusion: Stay Compliant with India Company Setup

With multiple monthly, quarterly, and annual GST deadlines in 2025, missing even one can attract heavy penalties and disrupt cash flow. The best way to stay compliant is to partner with professionals who manage everything for you.

At India Company Setup, our CA-led GST experts provide:

  • GST registration
  • Monthly, quarterly, and annual GST return filing
  • GST refund claims
  • Compliance management and advisory


Don’t risk penalties or notices—call 9915731447 today and let us handle your GST compliance while you focus on growing your business.

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