GST simulation

Practice the GST portal online — risk-free

IndIaTaxSim is a complete GST practice portal for students, accountants, and institutes. Learn registration, invoices, returns, ledgers, and payments on screens built like the real GSTN experience — without a live taxpayer GSTIN.

Start free practice →80-module course

What you can practice

Unlike video-only courses, you complete the same style of steps you will see on the real portal: Part A/B registration, invoice manager, GSTR-1 tiles, GSTR-3B tables, cash/credit ledgers, challan payment, e-Way Bill, and e-Invoice IRN. Guidance appears in English and five Indian languages inside the product.

GST registration

REG-01 flow, amendments, bank account, REG-06 certificate practice

Invoices & CDN

B2B, B2C, exports, Bill of Supply, debit/credit notes

GSTR-1 & GSTR-3B

Monthly/QRMP filing, ITC set-off, interest & late fee practice

GSTR-2A / 2B & IMS

Inward statements, accept/reject, ITC availability tabs

e-Invoice & e-Way Bill

IRN generation, EWB Part A/B, validity rules

Special schemes

Composition CMP-08/GSTR-4, TDS GSTR-7, TCS GSTR-8, OIDAR, NRTP, ISD

Returns covered

Full list with details on the GST returns page.

GSTR-1GSTR-1AGSTR-2AGSTR-2BIMSGSTR-3BGSTR-9GSTR-9CGSTR-7e-InvoiceCMP-08GSTR-4IFFGSTR-8GSTR-5AGSTR-5GSTR-6

How to start in minutes

  1. 1

    Create a free account

    Get 1 free credit on signup — no card required.

  2. 2

    Register a regular taxpayer GSTIN

    Spend that free credit on REG-01 for a regular (monthly) practice taxpayer — guided steps and optional video.

  3. 3

    Create invoices & file returns

    Use credits for GSTR-1, GSTR-3B, e-Way Bill, and more.

  4. 4

    Complete the course & exam

    80 modules, then a 50-MCQ exam and verifiable certificate.

Standard plan: ₹500 = 50 credits — see pricing. Coaching centres: institute plans.

FAQ — GST practice portal

What is a GST practice portal?+

A GST practice portal (or GST simulation) lets you learn registration, invoicing, returns, ledgers, and payments in a safe environment that mirrors the real GSTN portal — without using a live taxpayer GSTIN.

Which GST returns can I practice on IndIaTaxSim?+

GSTR-1, GSTR-1A, GSTR-2A, GSTR-2B, IMS, GSTR-3B, GSTR-9, GSTR-9C, CMP-08, GSTR-4, IFF, GSTR-7, GSTR-8, GSTR-5A, GSTR-5, GSTR-6, plus e-Invoice and e-Way Bill workflows.

How do I start free?+

Create an account at indiataxsim.com — you get 1 free credit, enough for one regular taxpayer GST registration (practice GSTIN). Modules 1–4 videos are free. Upgrade to Standard (₹500 / 50 credits) for full practice.

Start practicing GST today

Free account · 1 credit · Modules 1–4 videos free

Open free account →