ISI 2026 Final Answer Key has been released on 21st May 2026. It is released by the Indian Statistical Institute (ISI) for various courses. It is a national level entrance exam conducted every year.
To challenge the ISI 2026 Answer Key, Rs.200/- are charged per question. Know more details >>
ISI 2026 Final Answer Key – Released
ISI 2026 Final Answer Key has been released. Click here for final answer key PDF.
ISI 2026 Answer Key & OMR Response Challenge facility has been opened via login. Click here for answer key.
Note: Answer key challenge window is open till May 21 (10 am).
The ISI Answer Key provides all the correct answers to the questions put up in the examination. ISI entrance exam is organised for providing admission in various courses offered by ISI & its campuses.
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Through this article, candidates can get information regarding the ISI Answer Key 2026 including dates, steps to download, procedures to challenge, marking scheme, merit list etc.
ISI 2026 Answer Key
Some important points regarding the ISI 2026 Answer Key are provided below:
- ISI 2026 Answer Key is displayed through online mode only.
- Candidates can download the answer key on 19th May 2026.
- The answer key is released for all the different sets (i.e. set A, B, C, and D).
- With the help of answer key, candidates can evaluate their marks even before result declaration.
- It is published code wise in odd and even series in the PDF format.
- Candidates are also provided the opportunity to challenge against the answer key.
- Candidates may also calculate their probable scores by comparing the answer key with responses marked by candidates in the entrance exam.
ISI 2026 Answer Key Dates
Given below are the official dates related to the ISI 2026 Answer Key & other events:
| Events | Dates 2026 |
| ISI Exam | 10th May 2026 |
| Release of answer key | 19th May 2026 |
| Challenge window | 19th -21st May 2026 |
| Final answer key releases | 21st May 2026 |
| Availability of result | June 2026 |
| Admission list releases | July/ August 2026 |
How to Download ISI Answer Key 2026
The procedure through which candidates can download the ISI Answer Key are as follows:
- Click on the website link (Direct Link is given above).
- Click on the respective course from the list.
- After clicking on the link, the answer key for all sets will be displayed on the screen.
- Download the answer key and compare it and calculate the estimated score.
- Must take printout of the answer key for further use.
Also Check: ISI Result 2026
Challenge the ISI Answer Key 2026
If a candidate find any doubt or any discrepancy in the answer key, then the institution provide an opportunity to the candidates to challenge the answer key. The details regarding the same are provided below:
During the stipulated period, the candidates are allowed to challenge the recorded responses or answer key.
The prescribed fee for each recorded response/ answer key to be challenged is around Rs. 100 plus 2.5% bank/credit card related charges. Objection fee can be paid through online mode only via net banking or credit/debit card.
If any challenges accepted by the authority are found to be correct/ valid then challenge fee paid by the candidates will be refunded to the candidates. Any challenge submitted through post or in person will not be accepted. The final answer key will be uploaded after the completion of challenge procedure.
Marking Scheme
Go through the mentioned ISI marking scheme to evaluate the ISI scores:
| Answer Type | Marks Awarded |
| Correct answer | +4 marks |
| Incorrect answer | -1 mark |
| Question unanswered | 0 mark |
| More than one response | 0 mark |
Previous Years ISI Answer Keys
In the below table, we have provided the links of previous years ISI Answer Key:
| Year | Answer Keys |
| 2024 | Click Here |
| 2023 | Click Here |
| 2022 | Click Here |
| 2021 | Click Here |
| 2020 | Click Here |
Also Check: ISI Cut Off 2026
ISI 2026 Merit List
The ISI merit list is published separately for various courses through online mode. The merit list contains the names of the qualified candidates of the examination. The authority invites candidates for an interview based on their performance in the admission test. The answer key has been made available through online mode only.
Merit List is released on different dates for various courses. After the release of merit list, candidates can proceed for the interview rounds. The release of the ISI Answer Key is an important event for the participating candidates as they will get a chance to calculate and get an idea regarding their score.
If you have any other queries regarding ISI Answer Key 2026 then you can ask your queries in the comment box below.