JAM

You are required to carry a valid photo ID for the IIT JAM examination. Usually, the photo IDs are as follows:  
Aadhaar Card  
PAN Card  
Driving License   
Voter ID Card   
Passport  
College ID Card (with photograph)  
Any other government-issued photo ID card.

Carry original one having matching details with your admit card.

IIT JAM 2025 entrance exam does not require students to stick to a specific dress code. You can typically get away with wearing casual outfits. However, many exams however, especially ones at a professional level, may benefit from more formal apparel (e.g., wearing a shirt and trouser). Some institutions may have specific guidelines (e.g., wear shirts or t-shirts, jeans or trousers, and recommend against women wearing high heels.)

Candidates can review some benefits of taking IIT JAM mock Test from here:

Measure preparation ability

Develop time management strategies

Know the Exam Pattern

Firstly, go through the syllabus and keep notes attached to it. Then create a study plan and refer to quality study material like recommended textbooks make consice notes for revision. Practice regularly solve mock tests, previous year papers and solve its problems.

BONUS: Don't use your phone when you are preparing for the exam. If you're studying then keep your phone silent and stay away from unnessecary distractions.

Well, if you have Physics, Chemistry, and Mathematics, all three in your Bachelor's degree you should first understand and analyze that which subject you like the most and you are highly interested in. Then devote atleast a year and evaluate the scope of M.Sc in that particular subject, study it and then select the subject. Don't be in a rush, take your time.

Many factors affect the IIT JAM ranks:

1. Your overall score

2. Number of Applicants

3. Difficulty Level of the Exam

4. Seat Availability

5. Reservation