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All application information frozen

Earlier, a two-day opportunity was given to all the candidates (information conveyed through email) to change their category (in case they had made an error), or IISER preferences. With the publication of results, the choices made by candidates stand frozen. No further changes are admissible in either the category or IISER preference.

First round of admission offer

Following the publication of results, first round of provisional admission offers will be made on 23.8.2022.

IAT-2022 result on 12.8.2022

IAT-2022 results will be available on the application portal from 12.00 noon onwards.

IAT-2022 result publication

Ranks for IAT-2022 will be released on 12.8.2022.

Last chance to modify IISER preferences

Candidates who have written IAT-2022 AND if they wish to modify their preference of IISERs, they can do so. The application portal will be open for this purpose from 10 AM on 8.8.2022 to 11:55 PM on 9.8.2022. This is the last opportunity for preference changes.

Final answer key

Final answer key for IAT-2022 is published.

Candidates can access it by logging into their accounts. It will be available until 30.7.2022.

Portal open for category changes

The application portal will be open only for those who have written IAT-2022 to change their category (General, OBC, OBC-NCL, KM, SC/ST, EWS, PwD) if they have made an incorrect choice earlier.

The portal will be open from 26th July 2022, 10 AM to 27th July 2022, 11.55 PM.

No further opportunity will be given for a change of category under any circumstances. Candidates must submit a category certificate for their choice of cateogory (except for General category). A valid category certificate is a pre-requisite for admission. Any change in fee arising due to change of category must be paid by the candidates later.


The admission portal now has two new tabs after you login.

  • The "Candidate Response" tab contains the provisional answer key and the candidates chosen options.
  • The "SCB Objection" tab contains the Objection form to be filled by the candidate in the event of any objection to the answer key.

These options will be available between 10 AM on 18th July to 11.55 PM on 20th July.

Please login to the portal here

Tentative admission schedule

Tentative admission schedule is now available

IAT-2022 at Silchar centre

IAT-2022 at Silchar centre in Assam will be held on 9.7.2022 (Saturday) from 2:00 PM to 5:00 PM.

Candidates can download their hall tickets by logging into their account.

IAT 2022 timings

IISER Aptitude Test will be on July 3, 2022 from 2:00 to 5:00 PM. Candidates must report at the exam centre latest by 1.30 PM.

Hall tickets for IAT-2022

Hall tickets for IAT-2022 will be available for download on 26.6.2022 from 3 PM onwards.

Corrections in application form

If you have already applied for IAT-2022 and wish to correct/change any of the following details, you can do so from

11 AM on 17.6.2022 until 5.00 PM on 18.6.2022.

The personal details (such as name, category etc.) and choice of exam centre CANNOT be changed.

Following details can be changed or supporting documents replaced :

  • Category/Caste Certificate
  • Photo ID
  • 10th Class Marksheet
  • 12th Class Marksheet
  • PwD Certificate
  • Kashmiri Migrant Certificate
  • OCI/NRI/PIO/Foreign National Document
  • IISER Preferences 1 to 9

Note : The candidate can correct consistent with the choices they have made earlier. For example, if a candidate has selected "General Category", he/she will not be able to add/edit Category Document and vice versa.

Also, if a candidate had already selected that Maths was not a subject in his/her 12th standard, then he/she will be able to select only 7 IISER preferences instead of 9 for candidates with maths.


Applicants will be given the opportunity to correct errors in the submitted application form before the deadline passes. Please watch this space and the application page regularly in case you would like to modify your application.

The application portal for JEE and KVPY applicants will open at a later date. The current application portal is only for those who are applying from the SCB channel.


Registration of IAT will commence from 25th May 2022 at 3 PM.

The Registration portal will close on 15th June 2022 at 11:59 PM.

Please visit this website on 25th May to get the application link.


Due to unavoidable technical issues, the date for opening of portal for IAT registration is postponed.

The closing date for the portal will be extended accordingly.


Mock Computer Based Test (CBT) link is available here

Students can attempt the mock test by simply clicking on the above link.

NO registration or fees are necessary.


The opening of the Application Portal for IAT-2022 has been postponed to Wednesday May 4, 2022.


The Application Portal for IAT-2022 will open on Friday April 29, 2022.


IISER Admission Test 2022 has been postponed to Sunday July 3, 2022 (2:00 PM t0 5:00 PM).


Application portal will open by April 25, 2022.

Application will close on May 20, 2022.

Exam date

IISER Admission Test 2022 will be conducted on June 12, 2022.

Change in Marking Pattern

Each correct answer will be awarded 3 marks.

Each incorrect answer will be awarded -0.75 marks.

Unanswered questions will be awarded 0 marks.

Previous Question Papers

Question papers from the previous years are available here

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