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Closed Exam

CSIR NET December 2026 Correction Window: What Could Be Changed and What Comes Next

Former Central University Employee | Education Content Specialist
2 min read National Testing Agency (NTA)Session December 2026Prefer us on Google

The correction window of CSIR NET December 2026 ran from 10 to 12 November. Which details could be changed, which could not, the fee rule and what to do if a mistake is still in the form.

Status
Closed
Exam on
19 Dec 2026
Level
PhD
Session
December 2026
On this page6 sections
  1. 1What could be changed
  2. 2What could not be changed
  3. 3The fee rule
  4. 4Check these five things now
  5. 5If a mistake is still there
  6. 6What comes next

NTA opened the correction window of the Joint CSIR-UGC NET December 2026 on 10 November 2026 and closed it on 12 November at 11:50 PM. It was the one chance in this cycle to fix the form after it was submitted. This page sets out what the window allowed, what it did not, and what a candidate should check now that it is over, with the exam on 19, 22 and 27 December.

What could be changed

  • One of the three names: the candidate’s own name, the father’s name or the mother’s name. Only one of them could be edited.
  • Date of birth and gender.
  • Category and sub-category.
  • PwBD status, where it had not been verified through the Unique Disability ID portal.
  • Nationality, and the state or country of residence.
  • Educational details.
  • The subject of the test.

What could not be changed

  • Mobile number and email address.
  • Permanent and present address.
  • Photograph and signature.
  • PwBD details already verified through UDID.

These are locked because they identify the candidate and carry NTA’s messages. If any of them is wrong, the admit card will show it, and the candidate has to sort it out with NTA before the exam day.

Top universities through UGC NETBy NIRF 2025 rank

The fee rule

A change could move the fee. A candidate who changed from a reserved category to General, for example, had to pay the difference online by card, net banking or UPI, and the correction counted only once the payment went through. A change the other way does not bring a refund: NTA does not return a fee already paid.

Check these five things now

  1. Download the confirmation page again from the candidate login and read it line by line.
  2. Match the name and the date of birth with the Class 10 certificate. A mismatch causes trouble at the JRF award and at PhD admission later, not only at the centre.
  3. Check the category and the PwBD entries against the certificates you will carry.
  4. Check the subject code. A wrong subject cannot be put right after the window.
  5. Keep the email and the mobile number in the form working: the city slip and the admit card are announced there.

If a mistake is still there

There is no second window. Contact the NTA helpdesk on 011-40759000 or 011-69227700, or through the contact details on csirnet.nta.nic.in, with the application number, the wrong detail and a copy of the document that shows the right one. On the exam day carry the original document as well as the admit card and a valid photo ID. Do not create a second application: only one is allowed, and a duplicate can lead to both being cancelled.

What comes next

StepWhen
Exam city slipSome days before the exam, on csirnet.nta.nic.in
Admit cardBefore the exam, with the centre and the shift
Exam19, 22 and 27 December 2026; 9:00 AM to 12:00 noon and 3:00 PM to 6:00 PM
Answer key, then the resultAfter the exam, on the dates NTA announces

The full details of the cycle, with eligibility and the age limit, are in CSIR NET December 2026: the notification, and every step is on the CSIR NET page.

Part of CSIR NET: CorrectionEvery CSIR NET update, step by stepJoint CSIR-UGC National Eligibility Test, National Testing Agency (NTA)

Frequently Asked Questions

When was the CSIR NET December 2026 correction window open?

From 10 to 12 November 2026, up to 11:50 PM on the last day. NTA gives the facility only once in a cycle.

Could the subject be changed in the correction window?

Yes. The subject was among the fields that could be edited, together with one of the three names, the date of birth, gender, category and sub-category, PwBD status where it was not verified through UDID, nationality, the state or country of residence and the educational details.

Which details could not be changed?

The mobile number, the email address, the permanent and present addresses, the photograph and the signature. PwBD details already verified through the UDID portal also stayed as they were.

What if the correction raised the fee?

The difference had to be paid online before the correction was accepted. Where a change lowered the fee, the extra amount already paid is not refunded.

Can a mistake be corrected now?

Not online. The window has closed. A candidate with a remaining error should contact the NTA helpdesk (011-40759000 or 011-69227700) with the application number and proof of the correct detail, and carry that proof to the exam centre.

Official links

Verify every date on the official website before acting. Keep scanned documents ready if you are applying.

Source: the official notice at csirnet.nta.nic.in, published here on 14 Nov 2026. If the official page and this summary differ, the official page is right.

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About the Author

Alok Kumar
Former Central University Employee | Education Content Specialist
633 pages written

Admission notices, exam updates and recruitment pages for Central University students, written from the official notices and announcements. Where the notice is online, the page links to it at the end.

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