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JEE Counselling

2026

Registration Fix

CSAB 2026 Application Form Correction

How to edit submitted CSAB registration details — name, category, email, and phone number — and what can't be changed.

What Can and Cannot Be Corrected

CSAB opens a limited correction window after the general registration period closes, similar in concept to JoSAA's own correction window. Not every field on your registration form is editable during this window — the distinction generally comes down to whether the field is CSAB-specific data you entered, or a core academic identifier sourced directly from NTA's JEE Main records.

FieldTypically Correctable?
Name spellingYes, to match certificates
Category (SC/ST/OBC-NCL/EWS/General)Yes, if supported by a valid certificate
Email address / mobile numberYes
Communication addressYes
PwD statusYes, with valid certificate
JEE Main application number / roll numberNo — sourced directly from NTA
JEE Main rank / scoreNo — determined by NTA, not editable on CSAB

Step-by-Step: How to Make a Correction

  1. Log in to the CSAB candidate portal with your registered application number and password.
  2. Check your dashboard for an "Edit Application" or "Correction Window" option — this only appears when the window is currently open.
  3. Update the relevant field(s) carefully, cross-checking spelling and details against your official certificates.
  4. If changing your category, upload a valid supporting certificate as prompted.
  5. Save and submit the correction, and download/screenshot a confirmation for your records.

Make corrections as early as possible within the window — ideally before you begin choice filling, since a late category correction, for instance, could affect which institute-branch combinations you're eligible for and may require you to revisit your choice list. If your category error is only discovered after choice locking, review our category change after registration guide and choice locking process guide for how these interact.

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Key Takeaways

  • Only CSAB-specific fields (name spelling, category, contact details) are correctable — core JEE Main identifiers are not.
  • Make corrections as early as possible, ideally before choice filling, especially for category changes.
  • Missing the correction window means you'll need to contact the CSAB helpline for a manual, case-by-case resolution.

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CSAB Application Form Correction – FAQs

Common questions about correcting CSAB 2026 registration details

1
Can I correct my CSAB 2026 registration details after submission?
Yes, but only within a specific correction window that CSAB typically opens shortly after the general registration period closes, and only for a limited set of fields. This is similar to JoSAA's own correction window concept. Details like name spelling, category, email address, and phone number are generally correctable during this window; more fundamental identifiers like your JEE Main application number or roll number typically cannot be changed since they're pulled directly from NTA's records.
2
What details can typically be corrected during the CSAB correction window?
Based on how similar correction windows have worked in JoSAA and past CSAB cycles, correctable fields generally include: name spelling (to match certificates), category (if declared incorrectly, subject to certificate proof), email address, mobile number, communication address, and sometimes gender or PwD status. Core academic identifiers like your JEE Main roll number, application number, and rank are not editable, since these are sourced directly from NTA and verified independently.
3
How do I access the correction window on the CSAB portal?
Log in to your CSAB candidate account using your registered application number and password. If the correction window is currently open, you'll typically see an 'Edit Application' or 'Correction' option on your dashboard. Make the necessary changes, save, and — if required — re-upload any supporting document (like a category certificate matching the corrected category) before the window closes.
4
What if I miss the correction window and only notice an error later?
If the online correction window has closed, your options become more limited — you would typically need to contact the CSAB helpline directly and explain the discrepancy, potentially providing documentary proof, and request a manual correction or clarification. This is handled case by case and is not guaranteed, so it's much better to review every field carefully during the correction window itself rather than relying on a later manual fix.
5
Can I change my category during the CSAB correction window if I made an error?
Generally yes, provided you can support the corrected category with a valid certificate uploaded during document verification. Be aware that a category change can affect your rank-based eligibility for specific institute-branch combinations and reservation quota, so this correction should be made as early as possible in case it affects your choice-filling strategy or already-locked choices.
6
Will correcting my details delay my counselling process?
Making a correction itself is usually quick, but if the correction affects your eligibility calculation (like a category change) or triggers additional document verification, it could add a short delay to your overall processing, though this is not typically severe if done within the designated window. Corrections made after choice locking or after allotment can be more disruptive, so address any known errors as early as possible.

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Disclaimer

Correction window dates and editable fields are set by CSAB each year. Always verify the current process at csab.nic.in.