IIT JAM Negative Marking 2026: Section-wise Marking Scheme, Total Marks

IIT JAM Negative Marking 2026

The IIT JAM exam has negative marking in section A. However, there are no negative marking schemes in section B and C. If you answer wrong to any one mark question in the JAM exam, -⅓ marks will be deducted and -⅔ for incorrectly answering any 2 marks question. While calculating the IIT JAM score, students must consider the sections the questions are from to predict the marks as accurately as possible.

IIT JAM 2026 Marking Scheme

How to Calculate IIT JAM Scores?

Students can easily make an estimation on JAM scores. Candidates can check this easy formula to calculate JAM marks below:

• For one mark questions (A):

IIT JAM score = {(number of correct answers*1)-(number of incorrect answers*⅓)}

• For two marks questions (B):

IIT JAM score = {(number of correct answers*1)-(number of incorrect answers*⅔)}

• Finally, IIT JAM final score = (A+B)

What after the IIT JAM Response Sheet is out?

Firstly, students can take printed copies of their recorded responses after it is out. Then, print out the JAM answer key and keep them side by side. Take a blank piece of paper and evaluate your recorded responses based on the marking scheme. Finally, calculate all the positive and negative markings and you will have the final score.

Error in JAM Answer key 2026? What Next?

In case you spot any errors in the IIT JAM 2026 answer key, you can challenge the answers during challenge window in online mode. To raise objections against JAM answer key 2026 you need to pay Rs 50 per question. The JAM answer key is released after the expert committee evaluates all the objections raised against the answer key.