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GST Registration in India

Register for GST in 5–7 days. Mandatory above ₹40L (goods) or ₹20L (services) turnover. End-to-end filing handled by chartered accountants.

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Required Documents & Deliverables

A clean handoff. You send us a list of documents, we handle the rest.

Required Documents

The proprietor's own PAN serves as the business PAN.

Common documents
PAN card of Proprietor
Aadhaar of Proprietor
Passport-size photograph of Proprietor
Email and mobile number (linked to Aadhaar for OTP)
Proof of business address (electricity bill, rent agreement, NOC)
Delivered
Deliverables
GSTIN (15-digit Goods & Services Tax Identification Number)
Certificate of Registration (Form GST REG-06)

What Is GST Registration?

The Goods and Services Tax (GST) is India's unified indirect tax that replaced a fragmented mix of central and state levies (VAT, service tax, excise, CST) in July 2017. GST applies to almost every business transaction in India that crosses defined turnover thresholds or operational categories. GST registration is the process of obtaining a unique 15-digit GSTIN that lets a business collect tax from customers, claim input tax credit on purchases, and file mandatory returns.

Registration is administered through a single online portal (gst.gov.in) and is governed jointly by the central and state governments. Once registered, a business becomes a GST-compliant entity: it issues GST-formatted invoices, files returns monthly or quarterly, and reconciles input credit against output liability. The registration itself is free; the cost of GST compliance lies in the recurring filings, not the registration step.

Who needs to register

GST registration is mandatory for any business with annual turnover above ₹40 lakh for goods (₹20 lakh in special category states) or ₹20 lakh for services (₹10 lakh in special category states). It is also mandatory for businesses making inter-state supplies, selling through e-commerce platforms, or operating in reverse charge mechanism categories, regardless of turnover. Some businesses register voluntarily even below the threshold to claim input tax credit or sell to B2B buyers who require GST invoices.

How GST works at a glance

GST is a destination-based tax with three components: CGST (Central GST), SGST (State GST), and IGST (Integrated GST, for inter-state transactions). On every sale, the registered business charges GST at the prescribed rate (0%, 5%, 18%, or 40% for goods and services under the current GST 2.0 framework, effective September 2025). The tax collected is set off against the GST the business has already paid on its own purchases (input tax credit), and the net amount is deposited with the government through monthly filings.

What changes after registration

Once registered, every invoice issued by the business must follow the GST format, including the GSTIN, HSN or SAC code, and tax breakdown. Returns become a recurring obligation: GSTR-1 (outward supplies) by the 11th of the following month, GSTR-3B (summary return with tax payment) by the 20th, and GSTR-9 (annual return) by 31 December of the following financial year. Missing returns attracts late fees and blocks input tax credit for buyers, which is why most businesses outsource ongoing GST compliance after the registration step.

Benefits Unlocked by GST Registration.

What GST registration unlocks for your business beyond meeting the legal requirement.

Input Tax Credit
Claim back the GST you paid on raw materials, equipment, and services. Directly reduces your effective tax cost.
Inter-state sales
Sell across state lines without restrictions. Unregistered businesses cannot legally make inter-state supplies.
E-commerce eligibility
Required to list on Amazon, Flipkart, Meesho, and most online marketplaces. No GSTIN, no e-commerce.
B2B credibility
Enterprise buyers and large companies prefer GST-registered vendors so they can claim input credit on the purchase.
Government tender access
Most public sector and government tenders explicitly require GST registration as a bidding eligibility criterion.
Composition scheme option
Small businesses up to ₹1.5 crore turnover can opt for a flat-rate scheme with simpler returns and lower compliance.

Do You Need to Register for GST?

Two clear categories: mandatory triggers and optional benefits. If any mandatory trigger applies, registration is legally required.

Mandatory if
  • Turnover above the threshold. ₹40 lakh for goods (₹20 lakh in special category states) or ₹20 lakh for services (₹10 lakh in special category states).
  • Inter-state supply of goods or services. Mandatory regardless of turnover, even a single inter-state invoice triggers it.
  • Selling through e-commerce platforms. Amazon, Flipkart, Meesho all require GSTIN to onboard sellers.
  • Reverse charge applies to your business. Certain goods and services categories require the recipient to pay GST.
  • Casual taxable person or non-resident. Anyone supplying goods or services in India without a fixed business location.
Consider voluntarily if
  • Your B2B buyers need input credit. Without GST registration, you cannot issue GST invoices that buyers can claim.
  • You bid for government or enterprise contracts. Most tender documents explicitly require a GSTIN.
  • You plan to cross the threshold soon. Registering early avoids the rush and lets you start claiming input credit immediately.
  • You want to project a credible business image. A GSTIN on invoices signals legitimacy to clients and vendors.

How GST Registration Works.

Three steps. We handle two of them. Total timeline: 5–7 days from the day you send documents.

1
We Collect
Send us your business documents and authorised signatory details. We verify each one and classify your goods or services with the right HSN or SAC codes.
Day 1
2
We Process
File the GST REG-01 application on the GST portal. Handle Aadhaar OTP verification, e-sign the form, and respond to any queries from the GST officer.
Day 2–5
3
We Deliver
GSTIN issued, Certificate of Registration (Form GST REG-06) delivered. We help set up your filing calendar and run through your first month's return obligations.
Day 6–7

GST Thresholds & Rates at a Glance.

Reference data on when GST applies, what rate, and how it differs by business type and state category.

Business category
Registration threshold
Standard rate band
Filing frequency
Goods (most states)
₹40 lakh
0 / 5 / 18 / 40%
Monthly
Services
₹20 lakh
18% (default)
Monthly
Special category states (goods)
₹20 lakh
Same rates
Monthly
Special category states (services)
₹10 lakh
Same rates
Monthly
Composition scheme (goods)
Up to ₹1.5 crore
1% (flat)
Quarterly
Composition scheme (services)
Up to ₹50 lakh
6% (flat)
Quarterly
Inter-state suppliers
No threshold
IGST applicable
Monthly
Special category states include Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, Tripura, Uttarakhand, and Himachal Pradesh. Rates shown reflect the GST 2.0 slab structure effective 22 September 2025. Rates and thresholds are subject to GST Council updates, verify against current rules for your specific situation.

After Registration What's Next?

Getting your GSTIN is just the beginning. From the date of registration, your business is on a recurring filing schedule. Missed returns attract late fees, block input tax credit for your buyers, and can lead to GSTIN suspension if persistent.

1
Update invoicing and first filings

The first thing that changes is your invoicing format. Every invoice issued from the date of registration must include your GSTIN, the correct HSN or SAC code for each line item, the GST rate, and a clean tax breakdown into CGST / SGST / IGST. The first return (GSTR-3B) is due by the 20th of the month following your registration. We typically run founders through invoice templates and the first filing during the handover call.

2
Monthly return rhythm

Your company already has its PAN and TAN. If your turnover is expected to exceed the GST threshold (₹40 lakh for goods, ₹20 lakh for services in most states), or if you operate across state lines or sell through e-commerce, GST registration is required. We can handle this either as a follow-on service or bundled into your incorporation engagement.

3
Annual return and reconciliation

The recurring rhythm has two more layers: an annual return and active reconciliation. Most penalty pain comes from skipping these.

  • File GSTR-9 by 31 December (annual return summarising the financial year)
  • File GSTR-9C if turnover crosses ₹5 crore (reconciliation statement with audited financials)
  • Reconcile GSTR-2A / GSTR-2B monthly against your purchase register to claim every rupee of input credit
  • Respond to GST notices within the timelines specified (typically 7–15 days)
  • Refund applications via RFD-01 if input credit exceeds output liability persistently

Late fees are ₹50 per day per return (₹20 for nil returns), capped at ₹5,000 per return. The bigger cost is opportunity: late filings block input credit for your buyers, which damages B2B relationships. Most growing businesses outsource GST compliance to a compliance firm within the first year for exactly this reason.

Frequently Asked Questions.

For businesses dealing in goods, GST registration is mandatory if annual turnover exceeds ₹40 lakh (or ₹20 lakh in special category states). For service providers, the threshold is ₹20 lakh (or ₹10 lakh in special category states). The turnover is computed across all states under the same PAN.
Yes. Any business making inter-state supplies of goods or services must register for GST regardless of turnover. A single inter-state invoice triggers the obligation. This is one of the most common reasons small businesses register voluntarily before they cross the threshold.
Typically 5–7 working days from the day you submit complete documents. The GST officer may raise queries during processing, which can extend the timeline by a few days. Aadhaar-based authentication speeds up the process; non-Aadhaar applications can take up to 30 days due to physical verification.
GST registration itself is free on the government portal. Professional fees for end-to-end handling (document verification, application filing, HSN/SAC classification, response to queries) typically range from ₹1,500 to ₹5,000 depending on business complexity. Reach out for an exact quote based on your business type.
GSTIN is a 15-digit Goods and Services Tax Identification Number assigned to every GST-registered business. The structure: first 2 digits are the state code, next 10 digits are the PAN of the business, 13th digit is the entity number within the state under the same PAN, 14th is the letter Z, and the 15th is a check code. The GSTIN is printed on every GST-compliant invoice.
Regular scheme businesses charge GST at standard rates (0/5/18/40% under the current GST 2.0 framework effective September 2025), claim full input tax credit, and file monthly returns. Composition scheme is a simplified option for small businesses up to ₹1.5 crore turnover (goods) or ₹50 lakh (services): they pay a flat tax (1% for goods, 6% for services), file quarterly, but cannot claim input credit or charge GST on invoices. Composition suits B2C businesses with low margins; regular suits B2B businesses.
Yes. Voluntary registration is common for businesses below the threshold that want to issue GST invoices to B2B buyers (who need them to claim input credit), bid for government tenders, or claim input credit on their own purchases. Once voluntarily registered, all compliance obligations apply just as if you had crossed the threshold.
Regular taxpayers file GSTR-1 (outward supplies, by 11th of next month), GSTR-3B (summary and tax payment, by 20th of next month), and GSTR-9 (annual return, by 31 December). Composition dealers file CMP-08 quarterly and GSTR-4 annually. Larger businesses (turnover above ₹5 crore) additionally file GSTR-9C reconciliation statement.
Late fee is ₹50 per day per return (₹20 per day for nil returns), capped at ₹5,000 per return. Interest at 18% per annum applies on any tax payable. The bigger cost is that late filing blocks input tax credit for your buyers, which damages B2B relationships. Persistent non-filing can result in GSTIN suspension.
Yes. A business operating in multiple states must obtain a separate GSTIN for each state, even though all use the same PAN. Some businesses also opt for separate GSTINs for separate business verticals within the same state to maintain operational segregation. Each GSTIN files its returns independently.
Rejection is rare but happens if the documents are inconsistent, the business address proof is weak, or the officer suspects shell company patterns. The rejection order specifies the reason. We typically reapply within 7–15 days after addressing the issues. Repeated rejection indicates a structural issue with the business setup that needs review before reapplying.
Only if your annual receipts exceed ₹20 lakh (or ₹10 lakh in special category states), or if you have clients in other states, or if you work through platforms like Upwork or Fiverr that may classify cross-border services as exports. Freelancers below threshold and operating only within their state are exempt. However, voluntary registration helps if your clients are companies that need GST invoices.

You Might Also Need.

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