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Here’s How The GST Return Filing Process Works

Your GST compliance journey broken down into clear, simple steps.

1

Share sales and purchase data with our team.

2

We verify invoices and reconcile with GSTR-2B.

3

Prepare GSTR-1 and send for your approval.

4

File GSTR-1 on the GST portal.

5

Prepare GSTR-3B with complete tax payable summary.

6

Generate challan and assist in payment (if GST is payable).

7

File GSTR-3B and share acknowledgement for your records.

GST Return Filing Packages

The below packages are applicable to regular taxpayers only. Charges for other categories of taxpayers may vary depending on the nature and complexity of the case.

Basic GST Filing Package

Duration 3 Months

₹ 2,997.00

  • Invenix Monthly filing of GSTR-3B for 3 months
  • InvenixMonthly or quarterly filing of GSTR-1 for 3 months
  • InvenixBasic sales & purchase data review before each filing
  • InvenixMonthly reminders for all GST return due dates
  • InvenixDedicated filing executive for 3-month compliance support
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Standard GST Filing Package

Duration 6 Months

₹ 7,194.00

  • Invenix Monthly filing of GSTR-3B for 6 months
  • InvenixMonthly/Quarterly filing of GSTR-1 for 6 months
  • InvenixBasic ITC review for each filing cycle
  • InvenixGSTR-2B & 3B Reconciliation on Monthly Basis
  • InvenixPreparation of GST challans for 6 months
  • InvenixSupport in fixing portal errors during filings
  • InvenixMonthly GST summary report for 6 months
  • InvenixMonthly reminders for all GST return due dates
  • InvenixDedicated filing executive for 3-month compliance support
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Elite GST Management Package

Duration 12 Months

₹ 16,788.00

  • InvenixEnd-to-end monthly filing of GSTR-1 and GSTR-3B for 12 months
  • InvenixMonthly ITC reconciliation with GSTR-2B and purchase registers
  • InvenixGSTR-2B & 3B Reconciliation on Monthly Basis
  • InvenixVendor follow-up for missing or incorrect invoices
  • InvenixFull-year monitoring of e-invoice and e-waybill applicability
  • InvenixMonthly GST payment planning with late-fee optimization
  • InvenixAnnual sales & purchase reconciliation for the full year
  • InvenixFiling of GSTR-9 (Annual Return) included
  • InvenixAssistance in preparing data for GSTR-9C (if applicable)
  • InvenixMonthly GST compliance health report with risk alerts
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Types of GST Returns

Based on the business type, scheme, and annual turnover, different GST return forms are applicable. Invenix handles all major returns end-to-end.

GSTR-1

Contains details of all outward supplies (sales) made by a taxpayer. Mandatory for regular taxpayers to report monthly or quarterly sales.

  • Due date: 11th of next month (monthly) or as per QRMP schedule.

GSTR-2A

Auto-populated statement of inward supplies (purchases) from suppliers’ filed GSTR-1. Used to monitor ITC basis vendor uploads.

GSTR-2B

Static ITC statement for the month which helps in accurate Input Tax Credit claims. Not affected by future changes in suppliers’ returns for that period.

GSTR-3B

Monthly summary return showing total tax liability and ITC claimed. Mandatory for all registered taxpayers.

  • Due date: Generally 20th of the next month (or as per notified schedule).

GSTR-4

Return for Composition Scheme taxpayers to report turnover and pay tax at fixed rates.

  • Filed annually; earlier quarterly CMP-08 is used for tax payment.

GSTR-5

For non-resident foreign taxpayers supplying goods/services in India. Captures inward, outward supplies and tax liability.

  • Due date: 20th of the next month.

GSTR-5A

Filed by non-resident OIDAR service providers supplying online information or database access to customers in India.

GSTR-6A

Auto-populated ITC statement for Input Service Distributors (ISD) to view details of input services received.

GSTR-6

Return for Input Service Distributors to distribute ITC across branches.

  • Due date: 13th of the next month.

GSTR-7

Filed by tax deductors (TDS under GST) to report tax deducted at source and corresponding liability.

  • Due date: 10th of the next month.

GSTR-7A

Auto-generated TDS certificate for suppliers where tax has been deducted and reported in GSTR-7.

GSTR-8

Return for e-commerce operators collecting Tax Collected at Source (TCS) on supplies made through their platform.

  • Due date: 10th of the next month.

GSTR-9 / 9C

Annual return and reconciliation statement for regular taxpayers to summarise the entire year’s outward, inward supplies and tax paid.

  • Due date: 31st December of the next financial year.

GSTR-9B

Annual return for e-commerce operators to reconcile TCS collected via GSTR-8 with annual sales data.

GSTR-9A

Annual return for Composition Scheme taxpayers to summarise quarterly payments and turnover during the year.

GSTR-10 (Final Return)

Filed when GST registration is cancelled or surrendered, showing details up to the date of cancellation.

GSTR-11

Filed by entities having a UIN (like embassies, UN bodies) to claim refund of GST paid on inward supplies.

Benefits of GST Return Filing

Legal Compliance

Filing GST returns on time keeps your business compliant with GST law and helps you avoid penalties, fines and legal issues due to delayed or non-filing.

Claim Input Tax Credit

Proper GST return filing allows you to claim eligible ITC on purchases, reducing overall tax liability and preventing the cascading effect of taxes.

Transparent Financial Records

Regular filing maintains clean and organised records of sales, purchases and tax paid, improving trust with banks, investors and stakeholders.

Audit Readiness

Timely returns ensure your books are ready for departmental or internal audits, minimising discrepancies and risk of heavy penalties.

Smooth Inter-State Operations

Accurate GST filings support seamless inter-state supply and vendor/customer relationships, avoiding compliance blocks in your supply chain.

Avoid Penalties & Interest

Timely filing helps you avoid late fees, interest on tax dues and notice-related stress, keeping the business financially and legally healthy.

GST Return Filing – Frequently Asked Questions

It is the process of reporting your monthly or quarterly sales, purchases and tax details to the GST portal as per the prescribed formats.
Every GST-registered business must file returns regularly, even if there is zero turnover for a particular period (NIL return).
GSTR-1 captures detailed invoice-wise outward supplies (sales), while GSTR-3B is a summary return where you declare total sales, ITC and net tax payable for the period.
QRMP (Quarterly Return Monthly Payment) scheme allows eligible taxpayers to file GSTR-1 and GSTR-3B quarterly while paying tax monthly via PMT-06 challan.
Yes, NIL returns must still be filed if there are no sales or purchases in a period to avoid late fees and notices.
Late filing attracts late fees, interest on tax dues, blocking of ITC and can also lead to notices and suspension of GST registration.
No, GST returns cannot be revised. However, mistakes can be corrected by making amendments in subsequent period returns.
ITC reconciliation means matching your purchase invoices with vendor-uploaded invoices reflected in GSTR-2B to ensure only eligible credit is claimed.
Common reasons include the vendor not filing GSTR-1, wrong GSTIN, incorrect invoice details or reporting the invoice in a different tax period.
Yes, returns must be filed monthly or quarterly depending on your chosen scheme. Even if there are no transactions, NIL returns are required.
Yes, you can opt in or out of the QRMP scheme at the beginning of a quarter, subject to eligibility based on aggregate turnover.
Yes. Composition taxpayers must file CMP-08 quarterly for tax payment and GSTR-4 annually for summarising their turnover and tax.
You can correct most errors by amending the details in the next month’s or quarter’s GSTR-1 and adjusting the tax impact in GSTR-3B.
Yes, GST compliance requires invoice-level details for outward supplies and proper documentation for inward supplies to support ITC.
Yes, Invenix assists in analysing GST notices, drafting replies and providing clarifications to the department wherever required.
Typically 24–48 hours after we receive complete and correct data, depending on complexity and reconciliation requirements.
Late fees are generally ₹50 per day (₹25 CGST + ₹25 SGST) for normal returns and ₹20 per day for NIL returns, subject to government notifications.
Yes, returns must be filed till your registration is officially cancelled on the portal. Non-filing can stop cancellation and increase liability.
No, all GST returns have to be filed online through the GST portal or via approved API-enabled software solutions.
Invenix provides end-to-end support including data review, ITC reconciliation, timely filing of returns, handling queries, and guiding you on best GST practices for your business.