Who needs to register for GST?

You must register for GST if your business turnover crosses the threshold set for your category and state, if you make inter-state supplies of goods, or if you sell through e-commerce platforms, among other cases. Certain businesses must register regardless of turnover. Even if you are below the threshold, you can choose to register voluntarily, which lets you claim input tax credit and issue tax invoices. Check the current threshold for your state and business type before deciding.

How much does GST registration cost?

Registering for GST on the government portal does not carry a government fee, the application itself is free. Costs arise only if you hire a chartered accountant or a consultant to handle the paperwork and filing for you, and that is a professional charge, not a government one. A small business comfortable with online forms can complete the registration itself at no cost beyond the time it takes to gather documents and fill in the application.

What documents are needed for GST registration?

You typically need the business PAN, proof of business registration or constitution, identity and address proof of the promoters or partners, a photograph, proof of the principal place of business such as an electricity bill or rent agreement, and bank account details. The exact list varies by business type, for example a proprietorship, partnership, or company each has slightly different requirements. Keep clear scans ready before you start, since the portal asks you to upload them during the application.

How long does GST registration take?

After you submit a complete application with valid documents, registration is usually granted within a few working days, provided the department raises no queries. If an officer asks for clarification or additional documents, the timeline extends until you respond and they are satisfied. Once approved, you receive your GSTIN and a registration certificate that you can download from the portal. Submitting clean, correct documents the first time is the best way to avoid delays.

What is the composition scheme?

The composition scheme is a simpler option for small businesses below a specified turnover limit. Instead of charging regular GST and filing detailed monthly returns, a composition taxpayer pays tax at a low flat rate on turnover and files simpler, less frequent returns. The trade-off is that composition dealers generally cannot collect GST from customers on an invoice or claim input tax credit, and they cannot make certain inter-state supplies. It suits small local businesses that value simplicity over credit.

GST Registration: Process, Documents and Fees (2026)

GST registration is the step that turns your business into a recognised taxpayer under the Goods and Services Tax system. Once registered, you receive a GSTIN, you can issue proper tax invoices, and you can claim credit for the GST you pay on your own purchases. For many businesses registration is mandatory, and for others it is a choice worth making. This guide explains who must register, the turnover thresholds, the documents you need, the step-by-step online process, how long it takes, and how the composition scheme offers a simpler path for small businesses.

Who must register

Registration is not optional for everyone. You are generally required to register in cases such as these:

Turnover over the threshold: once your aggregate turnover crosses the limit set for your category and state, registration becomes mandatory.
Inter-state supply of goods: selling goods across state lines commonly requires registration regardless of turnover.
E-commerce sellers: businesses selling through online marketplaces typically must register.
Specific categories: certain kinds of businesses must register irrespective of turnover under the rules.

If none of these apply and you are below the threshold, you can still register voluntarily. Voluntary registration lets you issue tax invoices and claim input tax credit, which can be worth it if your customers are themselves registered businesses that want GST invoices from you.

Turnover thresholds

The turnover threshold is the annual aggregate turnover above which registration is compulsory. The limit differs by the nature of the supply, whether you deal in goods or services, and by state, since some special category states have lower limits. Because these thresholds are set by rule and can be revised, the safe approach is to check the current limit that applies to your specific business type and state before you decide. The key idea to hold onto is that turnover is measured across your whole business on the same PAN, not per branch or per product line.

Documents you need

Gathering documents before you start makes the application quick. The exact set depends on your business type, but the common list is:

PAN of the business: the Permanent Account Number the GSTIN will be built around.
Proof of constitution: the registration or partnership deed, certificate of incorporation, or equivalent depending on your structure.
Promoter identity and address proof: identity and address documents for the proprietor, partners, or directors, plus a photograph.
Proof of place of business: an electricity bill, property tax receipt, or rent agreement for the principal place of business.
Bank account details: a cancelled cheque, bank statement, or passbook page showing the account.

Keep clear, legible scans ready, because the portal asks you to upload each of these during the application. A blurry or mismatched document is one of the most common reasons an application gets a query.

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The online registration process, step by step

Registration is done entirely online on the GST portal. The flow is straightforward if your documents are ready:

Start the application: on gst.gov.in, go to Services, then Registration, then New Registration, and fill in the initial details including PAN, mobile, and email.
Verify with OTP: the portal sends one-time passwords to your mobile and email to confirm them, and issues a Temporary Reference Number.
Fill the full form: using that reference number, complete the detailed application with business, promoter, place-of-business, and bank details.
Upload documents: attach the scans of the documents listed above where the form asks for them.
Submit and verify: submit the application using the prescribed verification method, and note the Application Reference Number to track its status.

Once submitted, the application goes to a tax officer for processing. There is no government fee for the application itself, so if you complete it yourself the registration costs nothing beyond your time.

How long it takes

With a complete application and clean documents, registration is usually granted within a few working days when the department raises no queries. If an officer needs clarification or an extra document, they issue a query, and the clock effectively pauses until you respond satisfactorily. The single biggest lever on timing is the quality of your submission: correct documents that match the details you entered move through quickly, while mismatches invite back-and-forth. When approved, you can download your registration certificate showing your GSTIN from the portal.

Regular scheme versus composition scheme

Small businesses have a choice between the regular scheme and the simpler composition scheme. Here is how they compare at a glance:

The composition scheme trades away input tax credit and the ability to charge GST on invoices in return for a low flat rate on turnover and much simpler filing. It fits a small local business whose customers are mostly end consumers and who values simplicity. A business that sells to other registered firms usually prefers the regular scheme, because its customers want GST invoices they can claim credit against.

After registration: staying compliant

Getting the GSTIN is the start, not the finish. Once registered you must issue proper tax invoices, charge the correct rate, and file your returns on time. This is where good billing software pays for itself, because it prints your GSTIN and the correct GST split on every invoice and keeps the records you need at filing time. For the filing side, our guide to GST return filing walks through the returns, and if you move goods between locations, the e-way bill guide covers what you need there. Setting up GST billing software from day one saves a scramble later.

The bottom line

GST registration is a free, online process that turns your business into a recognised taxpayer with a GSTIN. Check whether you cross the threshold or fall into a mandatory category, gather your documents, complete the application on the portal, and expect approval within a few working days if everything matches. Consider the composition scheme if you are small and value simplicity over credit. Once registered, IndiaCRM keeps your GST invoices correct and your records ready for filing in one free app. Explore the features, read about GST billing software, or get the mobile app and start invoicing today.