Business Setup · THE NO-PANIC PLAN
Register a business for GST in India through the official portal
GST registration is a legal and tax decision as well as an online application. Whether a business must register can depend on its supplies, turnover, state, exemptions and compulsory-registration provisions; do not rely on a single turnover figure or this workflow to decide liability. Confirm the position for the actual business with current CBIC/GST Portal guidance or a qualified tax professional. This process covers a standard new taxpayer registration on the official GST portal; casual taxable persons, non-resident taxpayers, ISDs, SEZ cases and other special applicant types can have additional steps. Use only the official GST portal, protect OTPs and sign-in credentials, and retain the ARN and every notice or response.
MISSION Guide an India-based business through checking GST registration needs, preparing current evidence, submitting GST REG-01, and tracking its ARN without deciding tax liability.
Read the GST Portal's current New Registration application guideTHE REAL-WORLD BIT
What happens outside this browser tab?
Confirm the applicable GST registration route with current law and professional advice where needed; gather the applicant's PAN, constitution and address evidence using current portal guidance; start Part A on gst.gov.in and save the TRN; complete and verify Part B, documents and any authentication step; submit REG-01, track the ARN, respond to any clarification and securely retain the GSTIN/certificate if approved.
YOUR CHECKLIST, WITH FEWER DRAMATIC SIGHES
One step at a time.
Follow the order below. If a step names a Nirmion tool, its link is right there with it.
- 01
Confirm the registration category before opening the application
Identify the legal entity or proprietor, States/UTs where it supplies from, nature and place of its supplies, current turnover data and any activity that could trigger compulsory registration. Compare those facts with current CGST/IGST law, notifications and GST Portal categories; exemptions and threshold rules have conditions and exceptions. Decide with a qualified tax professional if you are unsure, especially for inter-State supplies, e-commerce, reverse charge, casual or non-resident activity, an ISD or an SEZ. Choose whether you seek regular, composition or another portal registration only after checking eligibility and consequences; this guide does not advise which tax scheme is best. Save the official rule or written professional decision used for the choice.
- 02
Prepare the portal's current business and document information
Open the GST Portal's current New Registration guide and list the fields for the selected taxpayer type before entering anything. Reconcile the legal name and PAN, entity constitution, authorized signatory, promoters or partners, principal and additional places of business, business activity and contact details against authoritative records. For each uploaded document, check that the type is currently accepted for that field, the premises relationship is explained, and the image meets the portal's format and size rules. Bank account details may follow a separate post-grant prompt or amendment flow; do not assume every field or supporting document is mandatory in every case. Use the Government Form Checklist only for generic document labels and pack status; never enter PANs, Aadhaar numbers, bank details, OTPs or document scans into it.
- 03
Create Part A and save the Temporary Reference Number
Navigate directly to https://www.gst.gov.in/ and select Services, Registration, New Registration. Choose the appropriate taxpayer option and State/UT; enter the legal name as it appears against the PAN, PAN and the primary authorized signatory's official email and mobile as the portal requires. Complete both OTP checks only on the official portal and never relay them to an agent or caller. When Part A validates, save the Temporary Reference Number (TRN) and its expiry information in a secure business record. GST Portal guidance says an incomplete saved application can expire; use the exact current portal notice rather than assuming the draft remains available indefinitely. If the PAN or legal name fails validation, stop and correct the underlying record instead of repeatedly submitting new registrations.
- 04
Complete Part B, verify every field and use the prompted authentication
Return using the TRN, complete each applicable Part B section and attach only portal-accepted files. Review business details, promoters or partners, authorized signatory, place of business, goods/services, State-specific information and verification against the current official manual; exact sections depend on the applicant type and portal version. Use the authentication option shown for the application. GST Portal guidance describes OTP authentication for selected persons and biometric/document verification at a designated GST Suvidha Kendra in applicable cases; if the portal requires an appointment, complete that before expecting an ARN. Before e-signing or submitting with DSC, check that names, PAN-linked identity, addresses, document categories and declarations match. Do not pay unofficial intermediaries or share Aadhaar OTPs, DSC PINs or portal credentials.
- 05
Submit REG-01, track the ARN and respond through the portal
After a final review, submit the GST REG-01 using the authentication method allowed for the applicant. Save the Application Reference Number (ARN), receipt, submission date and the exact copy of what was filed. Use Services, Registration, Track Application Status on the official portal; distinguish a draft/TRN from a submitted application/ARN. If the tax officer issues a clarification or requests documents, read the notice and stated due date in the portal and submit the response there with relevant evidence; keep its acknowledgement. Do not create another application to bypass a pending notice. If approved, verify the legal name, GSTIN and registration details on the certificate, download the official certificate and complete any post-grant portal task such as updating bank details when prompted. If rejected or unclear, review the order and seek professional advice or use the GST help channel.
THE HELPER CREW
Tools for the fiddly bits.
These are the currently published Nirmion tools matched to this guide. Open a tool page for its accepted inputs and limits.
RECEIPTS, PLEASE
Sources & review notes
Each source is linked to the steps it supports. Open it to check its scope and current guidance.
Source checked 2026-10-05