Article

GST Registration: 10 Common Issues and Fixes

Open Financial Technologies · OPEN Money Blog Free Beginner India

Written by a business banking platform that watches founders go through registration constantly, this is a practical failure-mode list rather than another document checklist, useful for catching mismatches before you submit rather than after a rejection notice.

  • PAN and Aadhaar name mismatches, even minor spelling or middle-name differences, are among the top causes of rejection
  • Address proof documents older than the portal's freshness window (roughly 2 months for utility bills) get flagged
  • Recommends double-checking mobile number and email linkage to Aadhaar before starting, since OTP-based authentication depends on it
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The question it answers

  1. What documents do I need lined up before I start the GST application?

Read with it

  1. The primary source: the tax department's own FAQ and user manual for the registration flow, worth bookmarking since every other... CBIC, Government of India Report FAQs and User Manual on New GST Registration CBIC
  2. The official onboarding document handed to every newly registered taxpayer, worth reading once end to end so you know exactly... GST Portal, Government of India Report Welcome Kit for New Taxpayers GST Portal, Government of India
  3. The single most useful thing to print out before you start: a checklist by business constitution so you gather every document... ClearTax Template GST Registration Documents Required: Complete List for 2026 ClearTax
  4. This is the actual GSTN checklist, a one-page table listing every document category, the exact file type and size limit (JPG or... GST Tutorial Portal (GSTN) Report Check-list of Documents Required For GST Registration Goods and Services Tax Network (GSTN)
  5. This is the actual CBIC circular that tells GST officers exactly which documents they are and are not allowed to demand, so it... CBIC, Ministry of Finance, Government of India (via PIB) Report Instruction No. 03/2025-GST: Instructions for processing of applications for GST registration Shrunkhala Kangale, Deputy Secretary, CBIC
  6. The official portal's own reference tool, broken out by taxpayer category (normal taxpayer, non-resident, GST practitioner and... GST Portal (gst.gov.in) Tool GST Document Advisor: Documents Required for New Registration Application Goods and Services Tax Network (GSTN)
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