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GST Registration Process, Cost and Documents in India (2026)

  • November 5, 2026

Quick Answer

GST registration is free when filed directly through the GST portal. No government fee applies at any turnover level. Businesses typically incur costs only for professional assistance with documentation and filing. Registration usually takes 3 to 7 working days after document verification, ending in GSTIN issuance.

GST registration itself costs nothing. There’s no government fee, no filing charge, and no hidden portal cost. What businesses actually pay for is professional assistance: getting documents right the first time, avoiding rejection cycles, and staying compliant after the GSTIN is issued. This guide breaks down who must register, what documents you need, and how the process works in 2026.

Who Must Register: Threshold and Mandatory Categories

GST registration requirements depend on turnover, business type, and sales channel. Some categories must register regardless of revenue.

Category

Registration Requirement

Goods suppliers

Mandatory above ₹40 lakh turnover (₹20 lakh in special category states)

Service providers

Mandatory above ₹20 lakh turnover (₹10 lakh in special category states)

E-commerce sellers

Mandatory regardless of turnover

Interstate suppliers

Mandatory regardless of turnover

Voluntary registration

No threshold; optional for businesses below the limit

E-commerce sellers and interstate suppliers face the strictest rule: turnover doesn’t matter. If you sell across state lines or list products on a marketplace platform, GST registration applies from day one.

For businesses specifically operating in retail, our GST guide  outlines sector-specific compliance obligations that go beyond basic registration.

Documents Required for GST Registration

GST registration documents required vary slightly by business structure, but most applicants need the following:

  • PAN card: mandatory for the business entity and the primary applicant.
  • Aadhaar card: used for identity verification and e-KYC during the application.
  • Business registration proof: incorporation certificate, partnership deed, or shop establishment license, depending on entity type.
  • Address proof: utility bill, rent agreement, or property tax receipt for the principal place of business.
  • Bank account details: a canceled cheque, bank statement, or passbook copy showing account number and IFSC code.
  • Digital signature: required for companies and LLPs; optional for proprietorships and partnerships.

Mismatched names across PAN and Aadhaar are the most common reason applications get flagged for resubmission. Verify spelling consistency before you file.

Step-by-Step Online Registration Process

Registering for GST online follows a fixed four-step sequence on the GST portal.

  1. Initiate on the GST portal. Submit Part A of the application with PAN, mobile number, and email to generate a Temporary Reference Number (TRN).
  2. Complete Part B. Use the TRN to log back in and submit business details, promoter information, and the required documents listed above.
  3. Verification. The application generates an Application Reference Number (ARN). A GST officer reviews the submission and may raise a query if documents are incomplete.
  4. GSTIN issuance. Once verification clears, the portal issues the GST Identification Number (GSTIN) and registration certificate.

Each step depends on the accuracy of the one before it. A document error in Part B delays verification and restarts the query cycle.

Filing your GST registration and want it done right the first time? Altacit Global handles the process end to end.

Is GST Registration Free?: Government Fee vs Professional Fee

GST registration has no government fee, at any turnover level or business structure. What varies is the professional fee businesses pay for assistance.

Cost Component

Amount

Government fee

₹0 (no charge under GST law)

Professional fee

Varies by firm and complexity of business structure

Digital signature (if required)

Separate cost, paid to certifying authority

Fees current as of this writing. Confirm current government fee schedules directly, since regulations are revised periodically.

Businesses often assume registration costs money because they conflate the government fee with the professional fee charged by consultants or firms managing the filing on their behalf. Altacit Global charges a professional fee for document review, application filing, and query resolution, not for the registration itself.

Typical Timeline for GST Registration

Stage

Typical Duration

Part A submission and TRN generation

Same day

Part B submission with documents

1 to 2 days

Officer verification

3 to 7 working days

GSTIN issuance

Immediately after verification clears

If a query is raised during verification, add 3 to 7 additional working days per resubmission cycle. Clean documentation at the outset avoids this delay entirely.

Get Your GST Registration Filed Without Delays

Document errors and threshold confusion cause most GST registration delays. Altacit Global, with offices in Chennai, Bangalore, Hyderabad, Kochi, and Coimbatore, reviews your business structure and documents before filing, so your application clears verification on the first attempt. Write to info@altacit.com for a registration cost estimate specific to your business.

Frequently Asked Questions: GST Registration Process India

GST registration is free under Indian law. There’s no government fee at any turnover level. Businesses only pay a professional fee if they engage a consultant or firm to handle documentation and filing.

GST registration typically takes 3 to 7 working days after document submission, provided there are no queries from the verifying officer. If a query is raised, each resubmission cycle adds 3 to 7 more working days.

Not necessarily. Goods suppliers below ₹40 lakh and service providers below ₹20 lakh aren’t required to register, unless they fall into a mandatory category like e-commerce sellers or interstate suppliers, where registration applies regardless of turnover.

A bank account is required to complete Part B of the application. You can use a canceled cheque, bank statement, or passbook copy as proof. Registration cannot be finalized without this document.

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