How to register for GST (GSTIN) in 7 days — 2026 step by step

GST registration is mandatory if your annual turnover exceeds ₹40 lakh for goods (₹20 lakh for special states) or ₹20 lakh for services. Voluntary registration is allowed below these thresholds and unlocks ITC. Here is the actual filing.

Step 1: Check threshold + voluntary case

Mandatory: turnover above thresholds, inter-state supply, e-commerce, reverse charge, casual taxable person, agent of another taxable person. Voluntary: below threshold but you want ITC + B2B credibility.

Step 2: Gather documents

PAN of business. Aadhaar of proprietor/partner/director. Photograph of authorised signatory. Bank account details with cancelled cheque or statement. Address proof (electricity bill / rent agreement / property tax receipt). For non-proprietorship: incorporation certificate, partnership deed, or LLP agreement.

Step 3: File Part-A on gst.gov.in

Go to Services → Registration → New Registration. Enter PAN, email, mobile. Verify with OTP. Get TRN (Temporary Reference Number) valid for 15 days.

Step 4: Complete Part-B with TRN

Login with TRN. Fill 10 tabs: Business Details, Promoters/Partners, Authorised Signatory, Authorised Representative, Principal Place of Business, Additional Places, Goods and Services (with HSN/SAC), State Specific Info, Verification.

Step 5: Sign with DSC or EVC

Companies + LLPs: DSC mandatory. Proprietors, partnerships, HUF: EVC (OTP) works. Submit.

Step 6: Receive GSTIN

Application Reference Number (ARN) issued instantly. GST officer reviews in 3-7 working days. May raise queries (respond within 7 days). On approval: GSTIN issued. Download Certificate of Registration.

Frequently asked questions