GST Number Apply Online: Registration Process & Documents

What is GST Registration?

GST (Goods and Services Tax) is India's unified indirect tax that replaced multiple taxes like VAT, Service Tax, and Excise Duty. GST registration gives you a unique 15-digit GSTIN (GST Identification Number) that allows you to collect tax from customers, claim input tax credit, and file GST returns.

GST registration is done online through the official GST portal at gst.gov.in and is completely free of cost. The process typically takes 3-7 working days after submission.

Who Needs GST Registration?

GST registration is mandatory if:

• Your annual turnover exceeds ₹40 lakh (₹20 lakh for special category states)
• For service providers, the threshold is ₹20 lakh (₹10 lakh for special category states)
• You make inter-state supply of goods or services (no threshold — registration mandatory from day one)
• You sell on e-commerce platforms (Amazon, Flipkart, etc.)
• You are an e-commerce operator
• You are a casual taxable person or non-resident taxable person
• You are required to deduct TDS under GST
• You are an input service distributor
• You supply goods/services through an agent or broker

Special Category States: Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, Puducherry, Sikkim, Telangana, Tripura, and Uttarakhand have lower thresholds.

Documents Required

For Proprietorship

• PAN card of the proprietor — Apply for PAN card
• Aadhaar card of the proprietor — Apply for Aadhaar
• Photograph (passport size)
• Bank account details (cancelled cheque or passbook first page)
• Address proof of business premises (electricity bill, rent agreement, or property tax receipt)

For Partnership / LLP / Company

• PAN card of the entity
• PAN and Aadhaar of all partners/directors
• Partnership deed / Certificate of Incorporation
• Authorisation letter or board resolution
• Photograph of authorised signatory
• Bank account details of the entity
• Address proof of business premises

Address Proof of Business (any one)

• Electricity bill (not older than 2 months)
• Rent/lease agreement with NOC from owner
• Property tax receipt
• Municipal Khata copy
• Ownership deed / Sale deed

Step-by-Step Online Process

Step 1: Generate TRN

1. Visit gst.gov.in
2. Click "Register Now" under the "Taxpayers" section
3. Select "New Registration"
4. Choose your state and district
5. Enter your business name, PAN, email, and mobile number
6. Verify email and mobile with OTP
7. You will receive a TRN (Temporary Reference Number)

Step 2: Complete Application

1. Go to gst.gov.in → Services → Registration → New Registration
2. Select "Temporary Reference Number (TRN)" and enter your TRN
3. Verify with OTP sent to registered email/mobile
4. You will see your saved application — click Edit to continue

Step 3: Fill Business Details

Complete all 10 tabs in the application:

1. Business Details — Legal name, trade name, constitution of business
2. Promoter/Partner Details — Personal info, PAN, Aadhaar, photo
3. Authorised Signatory — Details of the primary authorised person
4. Authorised Representative — If appointing a GST practitioner
5. Principal Place of Business — Address, contact, nature of premises
6. Additional Place of Business — If any branch offices
7. Goods and Services — HSN codes for goods, SAC codes for services (up to 5 each)
8. State Specific Information — Professional tax number etc.
9. Aadhaar Authentication — Choose to authenticate via Aadhaar
10. Verification — Review and submit using DSC/EVC/e-Sign

Step 4: Submit and Get ARN

1. After verification, submit the application
2. You will receive an ARN (Application Reference Number) via email and SMS
3. Save this ARN — use it to track your application status

Step 5: Track Application

1. Visit gst.gov.in → Services → Registration → Track Application Status
2. Enter your ARN
3. Check status: Pending, Approved, Query Raised, or Rejected

Step 6: Receive GSTIN

• If approved, you will receive your 15-digit GSTIN via email
• Download your GST registration certificate from the portal
• GSTIN format: First 2 digits = State code, next 10 = PAN, next 2 = entity code, last 1 = checksum

Aadhaar Authentication

Since 2020, Aadhaar authentication is mandatory for GST registration (for proprietors, partners, and directors). If you opt for Aadhaar authentication:

• Registration is processed within 3 working days
• If you skip Aadhaar authentication, the officer may conduct physical verification of business premises, which takes longer

Fees

GST registration itself is 100% free. There is no government fee. Beware of agents charging excessive fees for this free service.

Processing Time

Important Tips

1. Use Aadhaar authentication — it speeds up approval significantly (3 days vs weeks)
2. Keep business address proof ready — most applications are queried for address proof issues
3. HSN/SAC codes — research the correct codes for your goods/services before applying
4. Composition Scheme — if your turnover is under ₹1.5 crore, consider the Composition Scheme for simpler compliance (apply during or after registration)
5. Multiple registrations — you need separate GSTIN for each state where you have a business presence

FAQs

Q1: Is GST registration free?

Yes, GST registration on gst.gov.in is completely free. There is no government fee. If anyone charges you, they are charging for their service, not a government fee.

Q2: How long does GST registration take?

With Aadhaar authentication, it takes about 3 working days. Without Aadhaar authentication, it can take 7-21 days as physical verification may be required.

Q3: What is ARN in GST?

ARN (Application Reference Number) is a unique number generated after you submit your GST registration application. Use it to track your application status on gst.gov.in.

Q4: What is GSTIN and how is it structured?

GSTIN is your 15-digit GST Identification Number. It contains your state code (2 digits) + PAN (10 characters) + entity number (2 digits) + checksum (1 digit). Example: 29ABCDE1234F1Z5.

Q5: Can I register for GST voluntarily?

Yes, you can register for GST even if your turnover is below the threshold. This is useful if you want to claim input tax credit or sell on e-commerce platforms.

Q6: What happens if I don't register for GST when required?

You may face a penalty of 10% of tax due or ₹10,000 (whichever is higher). In case of deliberate evasion, the penalty can be 100% of tax due.

Q7: Can I have multiple GSTINs?

Yes, you need a separate GSTIN for each state where you operate. Within a state, you can also get multiple registrations for different business verticals.

This guide is for informational purposes only. CitizenNest is an independent platform and is not affiliated with the Government of India. Always verify details on the official GST Portal before proceeding.