GSK Process for GST Registration: What Applicants Must Know?



If a person applying for GST registration, then the applicants must follow these steps based on whether you choose Aadhaar authentication or not.

If Applicants Do NOT Choose Aadhaar Authentication

  • You must visit a GST Suvidha Kendra (GSK) for photo capture and document verification.
  • If you select "NO" for Aadhaar authentication, you will receive an email with the GSK location and a list of required documents.
  • You can schedule an appointment via a link in the email. An appointment confirmation will follow through mail.
  • Visit the GSK at the scheduled time for photo capturing, document verification.

If Applicants Choose Aadhaar Authentication and Biometric Verification is Needed

  • Promoters/Partners opting for Aadhaar authentication must visit the GSK for biometric authentication (fingerprint/iris scan) and photo capture.
  • Primary Authorized Signatory (PAS) must also visit the GSK for document verification, biometric authentication, and photo capture.
  • If a Promoter/Partner has already completed biometric verification in any State/UT, they do not need to do it again for another business. However, if they become the PAS, they still need to visit the GSK for document verification.
  • In case PAS has already been biometric verified in any State/UT during a previous registration, she/he will need to visit the GSK only for document verification.
  • If the Promoter/Partner and PAS are the same individual, she/he must visit the GSK for photo capturing, biometric authentication, and document verification. If already biometric verified in the past, only document verification at the GSK is required.

Non-Generation of Application Reference Number (ARN)

Applicants Application Reference Number (ARN) will NOT be generated if:

  • fail to visit the GSK within 15 days after submitting Part B of REG-01.
  • biometric authentication fails or document verification is incomplete.
  • aadhaar details (name, date of birth, gender) do not match the records.

To avoid delays, make sure all Aadhaar details are correct before applying.

If there is any issue, update Aadhaar and complete the verification within 15 days.




About the Author

Finance Professional

I write about Income Tax, GST, TDS, RBI updates, government schemes, and personal finance in India. My focus is on simplifying complex tax and compliance topics into easy-to-understand guides that help readers stay updated with the latest financial rules, investment options, and regulatory changes.


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