Hello,

Here are some important chapters for JEE Mains:

Mathematics:

1. Calculus: Integral Calculus, Limits & Continuity, Differentiability, Application of Derivatives.
2. Coordinate Geometry: 3D Geometry, Coordinate Geometry, Vector Algebra.
3. Algebra: Complex Numbers and Quadratic Equations, Statistics and Probability, Permutations and Combinations, Sequence and Series.

Physics

1. Mechanics: Laws of Motion, Work, Energy and Power, Rotational Motion, Kinematics.
2. Thermodynamics & Waves: Thermodynamics, Oscillations and Waves
3. Electricity & Magnetism: Electrostatics, Current Electricity, Magnetism
4. Optics: Ray Optics, Wave Optics.

Chemistry

1. Physical Chemistry: Chemical equilibrium, Chemical; Kinetics, Thermodynamics.
2. I norganic Chemistry: P-block elements, Coordination Compounds, Periodic Table.
3. Organic Chemistry: Hydrocarbons, Organic Chemistry - some basic principles and techniques, Aldehydes, Ketones and Carboxylic Acid.

These are the high-weightage chapters; by focusing on these chapters, you can improve your score.

you can also check this link for more details:

https://engineering.careers360.com/articles/most-important-chapters-of-jee-main

I hope this answer helps you!

Given the condition the you were a PCB student and gave your mathematics equivalent a year later as a private candidate, you are eligible for JEE MAINS. Infact a PCB student is also eligible to take the JEE MAINS. However, the admission process into various NITS and other colleges will be slightly complex than the general admission process. Though, factually you are eligible as a candidate and as a student who is eligible for all the colleges falling under the JEE umbrella including NITS.

Here are some resources provided by Careers360 which might be helpful:

https://engineering.careers360.com/user/register?destination=exams/jee-main&click_location=pdf_file&ex_url=https://engineering.careers360.com/download/ebooks/jee-main-previous-10-year-questions-detailed-solutions

https://engineering.careers360.com/user/register?destination=exams/jee-main&click_location=pdf_file&ex_url=https://engineering.careers360.com/download/ebooks/jee-main-top-30-most-repeated-questions-topics

https://engineering.careers360.com/user/register?destination=exams/jee-main&click_location=pdf_file&ex_url=https://engineering.careers360.com/download/ebooks/jee-main-chapter-wise-pyqs

https://engineering.careers360.com/user/register?destination=exams/jee-main&click_location=pdf_file&ex_url=https://engineering.careers360.com/download/ebooks/jee-main-study-plan-100-days

Hello, Based on the current date, the application process for both sessions of the JEE Main 2025 has already been completed. The exams for 2025 were conducted earlier this year.

You are likely asking about the upcoming JEE Main 2026 examination.

Based on the schedule followed by the National Testing Agency (NTA) in previous years, here is the expected timeline for the JEE Main 2026 application forms:

For the First Session (January/February 2026):

• The application forms are expected to be released in November or December 2025.

For the Second Session (April 2026):

• The application window for the second session typically opens after the results of the first session are declared, which is usually in February or March 2026.

Hope it's helpful to you.

Hello,

Yes, you are right; you can upload your class 10th marksheet for the JEE Main 2026 registration, as DigiLocker documents are considered equivalent to original physical documents by law. You should download the digitally signed marksheet from your DigiLocker account to upload it to the JEE Main application form.

I hope it will clear your query!!

Hello,

As of the JEE Main January 2026 session, candidates can no longer choose their preferred exam cities. Instead, the National Testing Agency (NTA) will assign your exam center based on the address linked to your Aadhaar card.

I hope it will clear your query!!

Hello,

Generally, UPES( University of Petroleum and Energy Studies) might have different admission criteria depending on the specific program. Some may require specific JEE Main scores, while others might consider alternative criteria like their own entrance exams (UPES Engineering Aptitude Test), merit in 12th grade or any other factors. Therefore, even if you didn’t qualify for JEE Mains, you might still be eligible for  certain programs at UPES. It’s best to check official UPES site for accurate admission requirements.

I hope this answers helps you!

Hello

Here is the short guidance for you to score well and prepare for JEE

• Stick to a smart routine – Prioritize high-weightage topics and revise daily with a focused timetable.

• Solve PYQs & mock tests – Practice like it’s the real thing; analyze mistakes without panic.

• Quality over quantity – Understand concepts deeply rather than rushing through chapters.

• Stay healthy & rested – Your brain needs sleep, water, and breaks to perform at its best.

• Trust your journey – Stay calm, believe in your preparation, and avoid comparing with others.

Hello

Since you’re reappearing for your Class 12 boards in 2026, that will be counted as your official passing year. So, you will be eligible to write JEE Advanced in 2026 and 2027. Although you submitted the boards in 2025, that attempt won’t be considered due to the compartment. JEE Advanced rules allow 2 attempts in 2 consecutive years after passing 12th. So you still have both chances left, which is great! Just make sure you meet the other eligibility conditions too. Keep your focus strong, you’ve got this!

Hello

Since you belong to the Scheduled Castes but converted to Christianity, the SC reservation usually does not apply after conversion.
Most government exams like JEE give SC benefits only to Hindus, Sikhs, and Buddhists, not to converted Christians.
You should check if your Christian sub-caste is listed under the OBC (Other Backward Classes) category. If yes, then you can apply under the OBC reservation.
If not listed under OBC, then you may have to apply as the General category.
You can also try for EWS (Economically Weaker Section) if your family income is below the limit. It’s best to get a caste certificate from your local authority based on your current category.