Get Your GST Identification Number (GSTIN) in Just 3-7 Days
100% Online & Paperless Filing. ARN in 24 Hours. Starting at ₹399 ComplianceBharo professional fee for end-to-end assistance. GST registration itself has no separate government fee.
GST — Goods and Services Tax — is a destination-based indirect tax introduced under the Central Goods and Services Tax Act, 2017, along with the parallel State/UT GST Acts and the IGST Act. It replaced a fragmented set of central and state indirect taxes — Central Excise Duty, Service Tax, VAT, and several others — with a single, uniform tax applied across the entire supply chain from 1 July 2017 onward.
Registering for GST means obtaining a GSTIN — a state-wise identification number that gives a business legal recognition as a supplier of goods or services. That recognition comes with a practical benefit attached: the ability to claim Input Tax Credit on GST already paid for business purchases, offsetting it against the GST collected on sales, rather than absorbing tax on tax the way the older system often did.
Registration itself carries no government application fee — the entire process runs through Form GST REG-01 on the GST portal, and a clean application is typically approved within 3–7 working days.
| Parameter | Details |
|---|---|
| Governing Law | Central Goods and Services Tax Act, 2017, along with the corresponding State/UT GST Acts and the IGST Act, 2017 |
| What GST Replaced | Central Excise Duty, Service Tax, VAT, and a range of other state and central indirect taxes, unified into a single tax from 1 July 2017 |
| Nature of Tax | A destination-based, multi-stage indirect tax on the supply of goods and services, collected at every stage of the value chain with credit for tax already paid |
| What GSTIN Provides | Legal recognition as a supplier, the ability to collect tax from customers, and eligibility to claim Input Tax Credit (ITC) on business purchases |
| Application Form | Form GST REG-01, filed online on the GST portal (gst.gov.in) |
| Government Fee | Nil — GST registration itself carries no government application fee |
| Processing Time | Typically 3–7 working days for a straightforward application that doesn't draw an officer clarification query |
GST registration is triggered either by crossing a turnover threshold, or by falling into a category the law treats as mandatory regardless of turnover.
| Category | Threshold / Basis | Applicable Provision |
|---|---|---|
| Turnover Basis (Goods) | ₹40 lakh (₹20 lakh in special category states) | Section 22(1) |
| Turnover Basis (Services) | ₹20 lakh (₹10 lakh in special category states) | Section 22(1) |
| Inter-State Supply | Mandatory regardless of turnover | Section 24(i) |
| E-commerce Operators & Sellers | Mandatory regardless of turnover | Section 24(ix) |
| Casual Taxable Person | Mandatory for the duration of the casual supply | Section 24(ii) |
| Persons Liable Under Reverse Charge | Mandatory regardless of turnover | Section 24(iii) |
| Freelancers & Consultants | ₹20 lakh threshold, commonly reported under SAC 998311 | Section 22(1) |
Registered businesses can claim credit for the GST already paid on their business purchases, offsetting it against the GST they collect on sales — the mechanism that keeps GST from cascading like the older tax-on-tax structure.
GST folded a patchwork of central and state indirect taxes into a single, uniform tax structure applied consistently across every state and union territory.
Registration, return filing, tax payment, and refund processing all happen through the GST portal, removing the need for physical visits to a tax office for routine compliance.
Small businesses below the prescribed turnover limit can opt for a simplified, flat-rate scheme with quarterly filing instead of the standard monthly compliance cycle.
Every invoice, return, and input credit claim is recorded and cross-verified electronically, making it far harder for transactions to go unreported compared to the pre-GST system.
The removal of state-entry checkpoints and the harmonised tax structure have shortened inter-state transit times and simplified how goods move across state borders.
A GSTIN establishes the business as a recognised supplier of goods or services under law, distinct from operating informally without any tax registration.
Registration unlocks the ability to claim credit for GST paid on business inputs — a saving that unregistered businesses simply cannot access.
Most e-commerce marketplaces require a valid GSTIN before a seller can even list products or services on their platform.
A GSTIN is a precondition for making inter-state supplies of goods or services, since Section 24(i) makes registration mandatory for this regardless of turnover.
GST returns filed over time serve as a verifiable record of business turnover, which lenders commonly rely on when assessing loan and credit-line applications.
Larger corporate buyers frequently prefer or require GST-registered vendors, since only a registered supplier lets them claim Input Tax Credit on the purchase.
Choosing between the two isn't just about the tax rate — it changes what a business can and can't do commercially.
| Parameter | Regular Scheme | Composition Scheme |
|---|---|---|
| Turnover Limit | No upper limit | Up to ₹1.5 crore (₹75 lakh in special category states) for goods; up to ₹50 lakh for eligible service providers under Section 10(2A) |
| ITC Availability | Available on eligible business purchases | Not available |
| Tax Collection Ability | Can collect tax from customers on invoices | Cannot collect tax separately from customers; the tax is borne out of the dealer's own margin |
| Tax Rate | As per the applicable HSN/SAC rate slab for the goods or services supplied | Concessional flat rate — typically 1% for traders, 2% for manufacturers, 5% for restaurants (without alcohol), and 6% for eligible service providers |
| Return Filing Frequency | Monthly or quarterly (GSTR-1, GSTR-3B) | Quarterly statement (CMP-08) with one consolidated annual return (GSTR-4) |
| Inter-State Sale | Permitted | Not permitted |
| E-commerce Sale | Permitted | Not permitted — composition dealers cannot supply through e-commerce operators required to collect TCS |
The exact checklist depends on the entity structure — here's what's typically needed for the three most common applicant types.
Gather identity, address, and entity-formation documents specific to the applicant type, and verify each one for consistency before the application is drafted.
File Part A of Form GST REG-01 using PAN, mobile number, and email to generate a Temporary Reference Number (TRN), then complete Part B with business details, promoter/partner information, and place of business.
Once Part B is submitted with all supporting documents, the portal generates an Application Reference Number (ARN), which serves as the tracking ID for the entire application.
The jurisdictional GST officer reviews the application, typically within 7 working days, either approving it outright or flagging specific points that need clarification.
Where the officer raises a query, it is communicated through Form GST REG-03, and the applicant responds with the requested details or documents through Form GST REG-04 within the prescribed window.
Once the officer is satisfied, the registration certificate in Form GST REG-06 is issued electronically, carrying the GSTIN and the effective date of registration.
Registration is the starting point — every GSTIN then carries a recurring return filing obligation, whose form and frequency depend on the scheme opted for.
| Return | Purpose | Frequency | Due Date |
|---|---|---|---|
| GSTR-1 | Outward supplies (sales) statement | Monthly / Quarterly (QRMP) | 11th of the following month (monthly) / 13th of the month following the quarter (QRMP) |
| GSTR-3B | Summary return with tax payment | Monthly / Quarterly (QRMP) | 20th of the following month (monthly) / 22nd–24th of the month following the quarter, depending on state group (QRMP) |
| CMP-08 | Quarterly statement for composition dealers | Quarterly | 18th of the month following the quarter |
| GSTR-9 | Annual return | Annually | 31 December following the end of the financial year |
These thresholds under Sections 22, 24 and 10 govern exactly when registration shifts from optional to mandatory.
| Category | Threshold | Provision |
|---|---|---|
| Supply of Goods | ₹40 lakh (normal category states); ₹20 lakh (special category states) | Section 22(1) |
| Supply of Services | ₹20 lakh (normal category states); ₹10 lakh (special category states) | Section 22(1) |
| E-commerce Sellers | Mandatory regardless of turnover | Section 24(ix) |
| Inter-State Supply | Mandatory regardless of turnover | Section 24(i) |
| Casual Taxable Person | Mandatory for the duration of the casual supply | Section 24(ii) |
| Composition Scheme | Up to ₹1.5 crore (₹75 lakh special category states) for goods; up to ₹50 lakh for services | Section 10 |
The lower threshold applies to businesses based in the following states and union territories:
Consequences scale sharply with the amount of tax involved — a small default stays a monetary penalty, while a large one crosses into criminal prosecution.
| Default | Provision | Consequence |
|---|---|---|
| Failure to register despite being liable | Section 122(1)(xi) | Penalty of ₹10,000 or 100% of the tax due, whichever is higher |
| Collecting tax without being registered | Section 122(1)(i) | Penalty of ₹10,000 or 100% of the tax collected, whichever is higher |
| Tax evasion between ₹1 crore and ₹2 crore | Section 132(1)(iii) | Imprisonment up to 1 year, plus fine |
| Tax evasion between ₹2 crore and ₹5 crore | Section 132(1)(ii) | Imprisonment up to 3 years, plus fine |
| Tax evasion exceeding ₹5 crore | Section 132(1)(i) | Imprisonment up to 5 years, plus fine — a cognizable and non-bailable offence |
In practice, the department generally treats a business that comes forward and registers voluntarily — even belatedly — more favourably than one that continues operating unregistered until detected during an audit or survey. Getting compliant sooner rather than later tends to matter more than the specific mechanism used to do so.
Missing a GSTR-3B or GSTR-1 due date attracts a late fee of ₹50 per day (₹25 CGST + ₹25 SGST), capped at a maximum of ₹10,000 per return — though CBIC notifications have periodically introduced lower, turnover-linked caps for smaller taxpayers. Nil returns attract a reduced fee of ₹20 per day (₹10 CGST + ₹10 SGST).
Beyond the late fee, any tax that remains unpaid past the due date accrues interest at 18% per annum under Section 50, calculated on a daily basis from the day after the due date until the tax is actually paid.
Continued non-filing carries a more serious risk: a registration that stays inactive for six months or more of continuous non-filing can be cancelled by the department on its own initiative (suo moto) under Section 29(2), after which reinstatement requires a separate application and, often, a satisfactory explanation for the lapse.
A freelancer or independent consultant crossing the ₹20 lakh services threshold must register, typically reporting their work under a Services Accounting Code such as SAC 998311 for management consultancy-type services (the exact SAC depends on the actual nature of work). A home address is generally acceptable as the principal place of business, provided the supporting ownership or rental proof and, where applicable, an NOC are furnished.
Anyone supplying goods or services through an e-commerce operator that is required to collect Tax Collected at Source under Section 52 must register under Section 24(ix), regardless of how small their turnover is — the usual threshold exemption simply doesn't apply to this category.
A home address can serve as the registered place of business, supported by ownership documents or a rent agreement plus a recent utility bill, and — where the property is rented — a No Objection Certificate from the owner permitting its use for business. Some applications, particularly in categories the department treats as higher-risk, may also require physical verification of the premises before or after approval.
A virtual office arrangement is commonly used by businesses that don't operate from a fixed dedicated premises, provided the provider furnishes a valid NOC, a recent utility bill for the address, and the underlying agreement between the business and the virtual office provider. Costs vary by provider and city, so it's worth confirming current pricing directly with the chosen provider rather than relying on a fixed figure.
These three identifiers get confused often — largely because a GSTIN is actually built around a business's PAN, not issued independently of it.
| Parameter | GSTIN | PAN | TAN |
|---|---|---|---|
| Full Form | Goods and Services Tax Identification Number | Permanent Account Number | Tax Deduction and Collection Account Number |
| Format | 15-digit alphanumeric — 2-digit state code + 10-digit PAN + entity code + check digit | 10-digit alphanumeric (5 letters + 4 digits + 1 letter) | 10-digit alphanumeric (4 letters + 5 digits + 1 letter) |
| Purpose | Identifies a registered taxpayer for supply of goods or services | Identifies a taxpayer for income tax purposes and specified financial transactions | Identifies a person responsible for deducting or collecting tax at source |
| Issuing Authority | GST Network (GSTN), issued state-wise | Income Tax Department, via Protean/UTIITSL | Income Tax Department, via Protean/UTIITSL |
| Governing Law | CGST Act, 2017 | Section 139A, Income-tax Act, 1961 | Section 203A, Income-tax Act, 1961 |
| Mandatory For | Businesses crossing GST thresholds, or falling under a mandatory registration category | Virtually all taxpayers and a wide range of specified transactions | Anyone deducting or collecting tax at source (TDS/TCS) |
Have questions about GST registration for your business? Let our experts help you figure out the right approach.
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