IISER Exam Analysis 2026 is now available. The SciAstra team visited IAT 2026 exam centres in Pune, Bengaluru, New Delhi, and Noida to understand the difficulty level of the exam and identify the topics from which questions were prominently asked.

According to student feedback, some candidates found the IAT 2026 question paper easy to moderate, while others rated it as moderate to difficult. Therefore, the overall difficulty level of the exam can be considered moderate.

The Physics section was of moderate difficulty. The Mathematics section was moderate to difficult but not as challenging as the Mathematics questions in JEE Main. The questions in the Biology section were largely concept-based, while the Chemistry section was also of moderate difficulty.

Check out the detailed IAT 2026 exam analysis, including the section-wise difficulty level and the high-weightage topics from which questions were asked, on this page.

Latest Update:

IAT 2026 Question Paper Solution

The solution of the IAT 2026 paper is available below in the following YouTube video:

IAT 2026 Question Paper Solution
IAT 2026 Question Paper Solution

IAT 2026 Exam Dates

Since IAT 2026 admission dates are yet to be announced by the exam officials, candidates can check out the previous year’s dates from here for reference:

Event Name

Dates

IISER 2026 Notification

February 7, 2026

IISER Aptitude Test Application Form 2026

March 5, 2026 - April 13, 2026

IISER Aptitude Test Application Correction Window

April 16, 2026 to April 18, 2026

IISER Aptitude Test Admit Card 2026

May 24, 2026

May 25, 2026

IISER Exam 2026 (IISER Aptitude Test 2026)

June 7, 2026

IAT Provisional Answer Key 2026

June 7, 2026

IAT Answer Key Objection Window 2026

June 9, 2026 to June 13, 2026

IISER Final Answer Key 2026

Third week of June 2026 (Tentative)

IISER 2026 Result

Fourth week of June 2026 (Tentative)

IAT 2026 Counselling

July 2026 (Tentative)

IISER 2026 Exam Difficulty Level

Check out the IISER 2026 exam difficulty level from here:

IAT 2026 Section-Wise Difficulty Level

Subject

Difficulty Level

Student Consensus

Biology

Easy

Most students found it NCERT-based and scoring.

Chemistry

Moderate

Some students reported the section as lengthy.

Physics

Moderate to Tough

Widely considered the most difficult section.

Mathematics

Moderate

Mixed feedback; easier than JEE level but challenging for PCB students.

IISER 2026 Student Reactions

Based on the interactions with the IAT 2026 candidates, SciAstra has collected responses from them about the exam. Check out their reactions below:

Student 1:

According to one of the IAT 2026 test takers, the Biology section was easy, with several questions asked directly from NCERT. Around 2–3 questions were concept-based. The Physics section was moderate to difficult and required critical and analytical thinking. The Mathematics section was moderately difficult but easier than the JEE Main Mathematics standard. The Chemistry section was also moderately difficult, with Class 11 topics carrying more weightage than Class 12 topics.

Student 2:

According to the second student with whom SciAstra interacted, the Mathematics and Physics sections were difficult. The Chemistry section was moderately difficult, while the Biology section was manageable.

Student 3:

The third student reported that the Chemistry section was lengthy and required effective time management. The Mathematics section was easy and included questions from Functions and Relations, Matrices, and Probability.

Student 4:

The fourth student, who belonged to a PCB background, found the Mathematics section challenging, while Physics remained the toughest section for them.

Overall Student Feedback:

After interacting with a large number of students, SciAstra found that the Mathematics section was generally considered easier by PCM students, whereas the Biology section was found to be easier by PCB students.