GST Registration Process – Step-by-Step Guide 2026

GST registration gives your business a 15-digit GSTIN and is mandatory once you cross the turnover threshold. The entire process is online at gst.gov.in and takes 3–7 working days.

Who Must Register?

Goods businesses: turnover > ₹40 lakh (₹20 lakh for special states)
Service businesses: turnover > ₹20 lakh
All inter-state suppliers, e-commerce operators, casual taxable persons

Documents Required

PAN card of entity/proprietor
Aadhaar of authorised signatory
Proof of business (incorporation certificate, partnership deed)
Cancelled cheque / bank statement
Address proof of principal place of business
DSC for companies/LLPs

Step-by-Step Process

Go to gst.gov.in → Services → Registration → New Registration
Enter state, PAN, email, mobile; verify OTPs → get TRN
Log in with TRN; fill Part B (business details, promoters, bank, address)
Upload all documents; submit with DSC/EVC/Aadhaar OTP
GST officer reviews within 3 working days; GSTIN + REG-06 certificate issued

GSTIN Structure

[2-digit state code] [10-digit PAN] [entity number] [Z] [check digit]
Example: 27AAAPL1234C1Z5 (Maharashtra)

Frequently Asked Questions (FAQs)

How long does GST registration take?↓

3 working days if Aadhaar OTP authentication is done; up to 7 days otherwise.

Is registration free?↓

Yes, completely free on gst.gov.in.

Can I have multiple GSTINs?↓

Yes – one per state of operation, and optionally multiple for distinct business verticals in the same state.

Penalty for not registering?↓

10% of evaded tax (min ₹10,000); 100% if deliberate evasion.

What is a Casual Taxable Person?↓

Someone who occasionally supplies in a state where they have no fixed place of business. Must register and pay advance tax deposit.

Frequently Asked Questions (FAQ)

How long does GST registration take?