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GST Return Filing Online 2026
India’s No. 1 GST Return Filing Service Provider
Experience smooth and hassle-free GST Return Filing with Avinext Legal Services. Our experts ensure accurate, timely, and fully compliant filings for your business.
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GST Return Filing Guide & Procedure
Share Your Business Details
Provide your GSTIN, business information, sales & purchase data through our secure online form for quick processing.
Data Verification & Reconciliation
We verify invoices, match GSTR-2B with purchase data, and ensure accurate reconciliation to avoid mismatch issues.
GST Return Preparation
Our experts prepare monthly/quarterly returns like GSTR-1, GSTR-3B, CMP-08, and other required reports with accuracy.
Review & Filing with GST Portal
After your approval, we file the GST returns on the government portal ensuring timely and compliant submission.
Filing Confirmation & Compliance
Receive filing confirmation instantly. We continue to monitor compliance deadlines and remind you of future filings.
File your monthly or quarterly GST returns without stress. Our experts handle everything from data checking to filing, ensuring 100% compliance. Avoid penalties — file your GST returns on time.
GST Return Filing 2026: Complete Process Step By Step
GST Return Filing 2026 – Overview
GST Return Filing is a mandatory compliance for all GST-registered businesses in India. Every taxpayer must report their sales, purchases, input tax credit (ITC) and tax liability by filing monthly or quarterly GST returns.
As of 2026, GST returns are filed online through the GST Portal (www.gst.gov.in). Timely and accurate filing helps avoid penalties, interest, and disruption in ITC claims.
Benefits of Timely GST Return Filing
- Ensures ITC Availability: Accurate filing allows your buyers and suppliers to claim input tax credit smoothly.
- Avoids Heavy Penalties: Prevents late fees and interest charged for delayed returns.
- Improves Business Compliance Score: GST compliance rating boosts credibility for loans and tenders.
- Prevents Notices: Regular filing helps avoid GST notices, audit issues, and ITC mismatch problems.
- Enables Smooth Business Operations: Mandatory for e-way bills, vendor payments and regular transactions.
Who Must File GST Returns?
All businesses registered under GST must file returns, regardless of sales volume. Filing is mandatory even for NIL turnover.
| Taxpayer Type | GST Return Filing Requirement |
|---|---|
| Regular Taxpayer | GSTR-1 & GSTR-3B monthly or quarterly |
| QRMP Scheme | GSTR-1 quarterly + PMT-06 monthly + GSTR-3B quarterly |
| Composition Dealer | CMP-08 quarterly + GSTR-4 annually |
| Non-Resident Taxpayer | GSTR-5 monthly |
| E-commerce Sellers | Mandatory monthly filing + TCS returns |
Types of GST Returns (Updated for 2026)
Different taxpayers file different returns based on business structure and scheme.
| Return | Purpose | Who Files? |
|---|---|---|
| GSTR-1 | Details of outward supplies (sales) | All regular taxpayers |
| GSTR-3B | Summary return with tax payment | All regular taxpayers |
| GSTR-2B | Auto-generated ITC statement | Used to claim accurate ITC |
| PMT-06 | Monthly tax payment for QRMP scheme | QRMP taxpayers |
| CMP-08 | Quarterly return for composition dealers | Composition taxpayers |
| GSTR-4 | Annual return for composition dealers | Composition taxpayers |
Documents Required for GST Return Filing
- Sales Invoices: Monthly/quarterly sales data with GSTIN-wise breakup.
- Purchase Invoices: Input tax credit (ITC) related invoices.
- Credit/Debit Notes: Adjustments in sales or purchases.
- E-way Bill Data (if applicable): For logistics and movement of goods.
- GST Portal Login Credentials: Username & password for filing.
- Bank Statement (optional): Helpful for reconciliation if mismatch appears.
GST Return Filing Process 2026 – Step by Step
- Collect Sales & Purchase Data: Gather all invoices, debit/credit notes, e-way bills etc.
- Reconcile with GSTR-2B: Match ITC data with auto-generated statements to avoid mismatches.
- Prepare GSTR-1: Upload outward supply invoices & verify details.
- Prepare GSTR-3B: Calculate tax liability after ITC adjustment.
- Pay Tax Liability: Generate challan (PMT-06) and pay through net banking/UPI.
- File Returns on GST Portal: Submit GSTR-1 and GSTR-3B securely with DSC/EVC.
- Receive Filing Confirmation: ARN generated; returns officially submitted.
- Post-Filing Review: Maintain records & keep track of next due dates.
GST Return Late Fees & Penalties (Updated)
There is no government fee for filing GST returns. However, late fees and interest apply for delayed filing.
| Type | Penalty / Charges |
|---|---|
| Late Fee for GSTR-1 | ₹50 per day (₹25 CGST + ₹25 SGST) |
| Late Fee for GSTR-3B | ₹50 per day (₹25 + ₹25) |
| Late Fee for NIL Return | ₹20 per day (₹10 + ₹10) |
| Interest on Late Tax Payment | 18% per annum |
*Penalties increase if returns remain pending for multiple months.
Why Choose Us
From registration to annual compliance, we simplify every step with expert guidance, transparent pricing and on-time delivery tailored to your organisation.
Pan-India Service
We assist NGOs, startups and companies across India with fully online documentation and support – no need to visit any office.
Experienced CA / CS Team
Your work is handled by qualified professionals who understand regulations, funding requirements and ground-level challenges.
Fast & Transparent Process
Clear timelines, document checklists and regular updates – so you always know the exact status of your application.
Long-Term Compliance Support
Beyond registration, we help with 12A, 80G, FCRA, GST and annual filings, keeping your organisation compliant year after year.
GST Return Filing – FAQs
Most asked questions related to GST filing, due dates, penalty & compliance process.
GSTR-1 – Sales return
GSTR-3B – Monthly summary return
GSTR-9 – Annual return (mandatory for many taxpayers)
Composition taxpayers must file GSTR-4 quarterly.