JEE Main 2025: NTA JEE Mains application form at jeemain.nta.nic.in soon

According to the JEE Main marking scheme for previous years, candidates will receive four marks for each correct answer, while one mark will be deducted for each incorrect response due to negative marking. Unattempted or unanswered questions will receive zero marks.

The best books for JEE Mains 2024 are shown in the table given below:

The National Testing Agency (NTA) will soon release the NTA exam calendar 2025 at nta.ac.in, which will include the exam dates for JEE Main 2025, Common University Entrance Test Undergraduate (CUET UG) 2025, Common University Entrance Test Postgraduate (CUET PG) 2025, and National Eligibility cum Entrance Test (NEET) 2025.

JEE Main 2025 will be conducted for admission to engineering and architecture programmes offered by National Institutes of Technology (NITs). Some of the top NITs based on the National Institutional Ranking Framework (NIRF) ranking 2024 are as follows:

• National Institute of Technology (NIT) Tiruchirappalli
• National Institute of Technology (NIT) Karnataka, Surathkal
• National Institute of Technology (NIT) Rourkela
• National Institute of Technology (NIT) Warangal
• National Institute of Technology (NIT) Calicut
• Visvesvaraya National Institute of Technology (VNIT) Nagpur
• National Institute of Technology (NIT) Silchar
• Malaviya National Institute of Technology (MNIT) Jaipur
• National Institute of Technology (NIT) Durgapur
• National Institute of Technology (NIT) Delhi

The NTA has announced a significant change to the JEE Main 2025 exam pattern. Under the new format, optional questions have been removed from Section B of all sections, making all questions mandatory for candidates. As a result, candidates will no longer have the option to select from a limited number of questions. The JEE Main question paper consists of two sections.

The JEE Main 2025 information bulletin will provide essential details, including the exam date, registration date, eligibility criteria, exam pattern, syllabus, marking scheme, reservation criteria, and required documents for registration, as well as specifics regarding the application form.

The list of following documents will be required for JEE Main 2025 registration:

• Class 10 marksheet and certificate
• Class 12 marksheet and certificate
• Scanned image of photograph
• Scanned image of signature

As per the JEE Main 2025 exam pattern, Section A will consist of 20 multiple choice questions (MCQs) for each subject, while Section B will include only 5 Numerical Value Type questions per subject, with no options provided.

The JEE Main 2025 Session 1 exam is expected to be held in January 2025, based on last year's trends and a notification from the Goa Board. The Goa Board of Secondary and Higher Secondary Education (GBSHSE) has rescheduled the Goa HSSC board exams to February to prevent a clash with the JEE Main exam, which is likely to occur in the last week of January.

Candidates with benchmark disabilities, including blindness, locomotor disability (affecting both arms), and cerebral palsy, may request assistance from a scribe, reader, or lab assistant. For candidates with other benchmark disabilities, such support requires a certificate from the chief medical officer, civil surgeon, or medical superintendent of a government healthcare institution, confirming the need for a scribe.

As per the latest updates, the Indian Institutes of Technology (IITs) are offering fee concessions and relaxed cut-off scores for students from reserved categories to promote inclusive and equitable education.

"In the JEE-based admissions, fee remissions and fee waivers are provided right from the application stage. At the application stage, students belonging to the SC, ST, PwD (persons with disability) need to pay only half the examination fee. Further, cut-offs are relaxed to support a greater number of admissions in the SC, ST, PwD and OBC categories," said IIT Madras Director V Kamakoti.

The syllabus for JEE Main 2025 includes important topics of Physics, Chemistry, and Mathematics of NCERT Class 11 and 12.

Candidates can apply for JEE Main 2025 session 1 and session 2 through online mode only. The JEE Mains 2025 application form will not be accepted in any other mode.

The JEE Mains 2025 information bulletin will comprise detailed information on the Joint Entrance Examination Main 2025. Candidates will be able to know the complete details about the JEE main eligibility, JEE exam fees, JEE dates, and more.

NTA is set to release the JEE Main 2025 information bulletin anytime soon on the website, jeemain.nta.nic.in.

As per the JEE Main 2025 exam pattern Section A will have 20 multiple choice questions (MCQs) per subject, while Section B will contain only 5 Numerical Value Type questions per subject, with no option questions.

The National Testing Authority (NTA) has officially announced the discontinuation of optional questions in Section B for the JEE Mains 2025 exam.

NTA will soon announce the JEE Main 2025 marking scheme online. Candidates will be able to check the JEE Main total marks and section-wise marks through the JEE Mains information bulletin.

The JEE Main 2025 official website has changed from jeemain.nta.ac.in to jeemain.nta.nic.in.

According to the National Testing Agency (NTA), candidates applying for JEE Mains 2025 under the reservation for persons with disabilities are required to have a minimum of 40% benchmark disability.

The list of following documents will be required for JEE Main 2025 registration:

• Class 10 marksheet and certificate
• Class 12 marksheet and certificate
• Scanned image of photograph
• Scanned image of signature

The JEE Main 2025 information bulletin will be available soon on the official website jeemain.nta.nic.in.

Candidates must have qualified Class 12 board exams in the year 2023, and 2024 or appearing in exams in 2025, are eligible to apply.

The registration for the JEE Main 2025 will soon begin for the January session.

The best books for JEE Mains 2024 are shown in the table given below:

The JEE Main 2025 syllabus includes topics of Physics, Chemistry, and Mathematics in NCERT Class 11 and 12.

The National Testing Agency (NTA) will conduct the JEE Main 2025 in two sessions: January and April. The JEE Main exam date 2025 sessions 1 and 2 will be available on the website.

• NTA has officially announced the discontinuation of optional questions in Section B for the JEE Main 2025 exam.
• JEE Main 2025 official website has been changed from jeemain.nta.ac.in to jeemain.nta.nic.in.

The NTA will soon release the JEE Mains 2025 registration link on the official website, jeemain.nta.nic.in. The application form for JEE Main will include registration, form filling, uploading of documents, and payment of fees.

The JEE Mains exam is the entrance examination held for National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs), and other participating technical education institutions.

Some of the top NITs based on the National Institutional Ranking Framework (NIRF) ranking 2024 are as follows:

• National Institute of Technology (NIT) Tiruchirappalli
• National Institute of Technology (NIT) Karnataka, Surathkal
• National Institute of Technology (NIT) Rourkela
• National Institute of Technology (NIT) Warangal
• National Institute of Technology (NIT) Calicut
• Visvesvaraya National Institute of Technology (VNIT) Nagpur
• National Institute of Technology (NIT) Silchar
• Malaviya National Institute of Technology (MNIT) Jaipur
• National Institute of Technology (NIT) Durgapur
• National Institute of Technology (NIT) Delhi

The JEE Mains 2025 exam will be held in different languages including Assamese, Bengali, Marathi, Odia, Kannada, Malayalam, Punjabi, Tamil, Hindi, English, Telugu, and Urdu and Gujarati.

As per the JEE Mains 2025 updated exam pattern, each subject will have two sections. The section A will include multiple-choice questions (MCQs) and section B will contain questions whose answers are to be filled in as a numerical value.

The official website of JEE Mains 2025 is jeemain.nta.nic.in

Till now, NTA has not mandated any age criteria for candidates appearing for the JEE Mains 2025. Students of any age can appear in the exam, but only for three consecutive years from passing their class 12.

The exam duration for JEE Mains 2025 is 3 hours in total.

The exam conducting authority has revised the JEE Main 2025 exam pattern section B for papers 1 and 2.  As per the updates, Section A will contain 20 multiple choice questions (MCQs), while Section B will contain only 5 numerical value type questions per subject, with no option questions.

Candidates who have qualified for Class 12 board exams in the years 2023, and 2024 or appearing in 2025 are eligible to apply for JEE Mains 2025. However, candidates must check the JEE eligibility criteria of the institute to which they are taking admission.

The number of questions in each section of the JEE Main 2025 exam paper is as follows.

• Physics: 20 MCQs and 5 Numerical Value Questions

• Chemistry: 20 MCQs and 5 Numerical Value Questions

• Mathematics: 20 MCQs and 5 Numerical Value Questions

The JEE Mains 2025 marking scheme is as follows:

• Four marks for each correct answer.

• No negative marking.

• One mark will be deducted for every incorrect response.

• No marks will be given for questions left unanswered.

The steps to download the JEE Main 2025 information bulletin are as follows.

• Visit the official website at jeemain.nta.nic.in

• Click on the “Information Bulletin” option available under the “Information” tab.

• The information bulletin will automatically appear on the JEE Main 2025.

• Click on the “download” option available and save it for future reference.

Some of the important topics for chemistry are as follows:

• States of Matter : Classification of matter into solid, liquid, and gaseous states.

• Equilibrium : Equilibrium involving chemical processes, ionic equilibrium, and equilibria involving physical processes.

• Atomic structure : Thomson and Rutherford atomic models and their limitations; spectrum of the hydrogen atom, photoelectric effect, nature of electromagnetic radiation

Some of the high-weightage topics of the JEE Main 2025 physics syllabus are as follows:

• Laws of Motion - Force and Inertia, Newton’s First Law of Motion, Momentum, Newton’s Second Law of Motion, and Impulse, Newton’s Third Law of Motion. The weightage of these topics is 4%.

• Gravitation - Universal law of gravitation, acceleration due to gravity and its variation with altitude and depth. The topic has a weightage of 2%.

• Properties of Solids and Liquids - Elastic behavior, Hooke’s law, Young’s modulus, stress-strain relationship, modulus of rigidity.

It is expected that JEE Mains 2025 syllabus will remain the same. The syllabus for JEE Main 2025 includes important topics of Physics, Chemistry, and Mathematics of NCERT Class 11 and 12.

Candidates can apply for JEE Mains 2025 session 1 and session 2 only through the online mode. The application form will not be accepted in any other mode.

Engineering aspirants will have to keep the scanned copy of the following documents ready in the specified format.

• Photograph and signature in JPG/JPEG format.
• The size of the scanned photograph should be between 10 kb to 200 kb.
• The size of the scanned signature should be between 4 kb to 30 kb.
• The size of the scanned copy of the PwD certificate should be in pdf between 50 kb to 300 kb.

Candidates will be allowed to create an account on IIT JEE Main official website, jeemain.nta.nic.in, using the following methods.

• To log in/create a Digi locker account through the NAD portal.
• Or, Academic Bank of Credits ID (ABC ID) through the ABC ID.
• Indian passport number.
• Non-Indian passport number.
• PAN card number.
• Aadhaar enrollment number.

Here's the category-wise and gender-wise JEE Main registration fee details for the upcoming academic session 2025-26. The JEE Mains 2025 information bulletin is yet to be uploaded; the application fee charges may vary if the NTA revises the fee structure.

The NTA is likely to conduct the national-level engineering entrance exam, JEE Main 2025 session 1 , in the third week of January 2025, as per the Goa school board notification. The state board announced the tentative JEE Mains exam date 2025 while postponing the board exams to avoid clash.

As per the new pattern, there will be no optional questions in section B of the JEE Mains 2025 exam.

The JEE Mains 2025 exam will be held in 2 sessions. The JEE Mains 2025 first session will be conducted in the last week of January and second session will be held in April.

There is no age limit for the Joint Entrance Examination (JEE) Main. Candidates of any age are eligible to apply and sit for the engineering entrance exam.

Some of the top NITs based on the National Institutional Ranking Framework (NIRF) ranking 2024 are as follows:

• National Institute of Technology (NIT) Tiruchirappalli
• National Institute of Technology (NIT) Karnataka, Surathkal
• National Institute of Technology (NIT) Rourkela
• National Institute of Technology (NIT) Warangal
• National Institute of Technology (NIT) Calicut
• Visvesvaraya National Institute of Technology (VNIT) Nagpur
• National Institute of Technology (NIT) Silchar
• Malaviya National Institute of Technology (MNIT) Jaipur
• National Institute of Technology (NIT) Durgapur
• National Institute of Technology (NIT) Delhi

According to the JEE Main marking scheme for previous years, candidates will receive four marks for each correct answer, while one mark will be deducted for each incorrect response due to negative marking. Unattempted or unanswered questions will receive zero marks.

JEE Main is the entrance examination for National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs), and other participating technical education institutions. The exam will be held in two phases.

The National Testing Agency (NTA) has announced that the official website for the Joint Entrance Examination (JEE) Main 2025 is jeemain.nta.nic.in. Candidates are advised to check this website for updates on the JEE Main 2025 exam date, registration, application form, syllabus, eligibility, and other important details.

No, the National Testing Agency is yet to publish the JEE Main 2025 official brochure at jeemain.nta.nic.in.

Till May this year, 40 percent of mechanical engineering students across NITs and IITs were yet to find jobs. Even top BTech branches including computer science and engineering (CSE) and electronics and communication engineering (ECE) could not record 100% placements .

Most of the Indian Institute of Technology (IIT) Bombay students who opted for early exit last year, 90% of them were from historically-marginalised Scheduled Castes (SC), Scheduled Tribes (ST) and Other Backward Classes (OBC), as per the data provided by the institute in a response to the Right-to-Information (RTI)query.

JEE Main 2025: IIT Bombay students opt for exit. (Image: IITB)

Revising the JEE Main 2025 exam pattern, the NTA has discontinued the optional questions from section B of each subject in the exam. Now, candidates will not get the option to choose five questions out of 10 and will have to attempt all five. The option was introduced in Covid as a temporary measure to address the academic challenges and has been removed after Covid has been declared non public health emergency.

Yes, there will be negative marking of one mark for each incorrect response in the Joint Entrance Examination (JEE) Main 2025. The National Testing Agency (NTA) will announce changes, if any, in the JEE Main 2025 marking scheme on the official website, jeemain.nta.nic.in.

NTA will notify JEE Main 2025 syllabus along with NTA JEE Mains 2025 information bulletin soon at jeemain.nta.nic.in. Some of the important topics under each subject of JEE Main 2025 are as follows:

JEE Main 2025 application fee will be mentioned in the JEE Main 2025 information bulletin which is awaited at jeemain.nta.nic.in. Last year, male candidates belonging to general category had to pay Rs 1,000 while females were required to pay Rs 900. For general-EWS and OBC-NCL categories, the JEE Main application fee was Rs 900 for male applicants and Rs 800 for female. The registration fee for other reserved categories was Rs 500 for both male and female. Third gender candidates were also required to make payment of Rs 500 to fill JEE Main application form.

JEE Main 2025 study plan includes preparation time table and important topics in physics, chemistry, mathematics. NTA will conduct JEE Mains 2025 paper 1 for BE, BTech programmes at NITs, IIITs, and other engineering colleges.

Some of the important topics in physics are Mechanics, Fluids, Heat and Thermodynamics, Waves and Sound, Capacitors and Electrostatics, Magnetics, Electromagnetic Induction, Optics, and Modern Physics. Read more to know how to prepare for JEE Main 2025 in 3 months .

Not an Indian Institute of Technology (IIT) but the National Testing Agency (NTA) has been entrusted with the responsibility of conducting the Joint Entrance Examination - Main (JEE Main) 2025 for NITs, IIITs, and CFTIs and JEE Advanced for IITs.

A review committee recommended the Indian Institute of Technology, Bombay ( IIT Bombay ) to aim for top 20 internationally by 2047. While the panel of experts from India and abroad appreciated the recent innovations, it suggested the institute to modify its placement process to reduce stress among students and to establish outreach programmes. IITB has also been told to promote its postdoctoral programmes and restructure its courses.

The National Testing Agency (NTA) is yet to announce the Joint Entrance Examination (JEE) Main 2025 exam date. The JEE Mains 2025 date will be notified on the new official website, jeemain.nta.nic.in. Based on past trends, JEE Main 2025 session 1 is expected to be held in the month of January next year while session 2 is likely to be scheduled for April.

As per NIRF ranking 2024, these are some of the top NITs in India:

JEE Main 2025: NIT Rourkela among top NITs in India. (Image: NIT Rourkela)

Engineering students have been struggling to find jobs during IIT placements , even those from top BTech branches. Adding to the agony of aspirants, the job market has been slow and there's a competition from contemporaries and seniors. Further, the emerging AI-based technologies have left their future in uncertainty. An MTech graduate shared the difficulties of getting placed in IIT Delhi with Careers360.

The following documents will be required for JEE Main 2025 registration:

• Class 10 marksheet and certificate
• Class 12 marksheet and certificate
• Scanned image of photograph
• Scanned image of signature

The National Testing Agency (NTA) has notified the guidelines for the facility of scribe and compensatory time for the Persons with Disabilities (PwD). According to the guidelines, such candidates will get an additional time of a minimum of one hour. Scribe will be provided to certain categories on producing a certificate.

Candidates can have a look at the JEE Main 2025 marks vs ranks (as per past trends) below.

Candidates can have a look at the list of participating IITs for JoSAA 2025 (as per trends) below.

• Indian Institute of Technology Bhilai
• Indian Institute of Technology (BHU) Varanasi
• Indian Institute of Technology Bhubaneswar
• Indian Institute of Technology Bombay
• Indian Institute of Technology Delhi
• Indian Institute of Technology Gandhinagar
• Indian Institute of Technology Goa
• Indian Institute of Technology Guwahati
• Indian Institute of Technology Hyderabad
• Indian Institute of Technology Indore
• Indian Institute of Technology (ISM) Dhanbad
• Indian Institute of Technology Jammu
• Indian Institute of Technology Jodhpur
• Indian Institute of Technology Kanpur
• Indian Institute of Technology Dharward
• Indian Institute of Technology Kharagpur
• Indian Institute of Technology Madras
• Indian Institute of Technology Mandi
• Indian Institute of Technology Palakkad
• Indian Institute of Technology Patna
• Indian Institute of Technology Roorkee
• Indian Institute of Technology Ropar
• Indian Institute of Technology Tirupati

The National Council of Educational Research and Training (NCERT) in collaboration with the Indian Institute of Technology Kanpur (IIT Kanpur) has launched a new initiative, the Self Assessment Test and Help for Entrance Exams (SATHEE) scheme, aimed at helping students prepare for competitive exams like JEE Mains 2025, NEET UG 2025, and government services (SSC) free of cost.

The JEE Mains 2025 exam will be held in 2 sessions. The JEE Mains 2025 first session will be conducted in the last week of January and second session will be held in April.

JEE Mains 2025 will be conducted in English, Hindi, Assamese, Bengali, Gujarati, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu, and Urdu.

According to the National Testing Agency (NTA), candidates applying for JEE Mains 2025 under the reservation for persons with disabilities are required to have a minimum of 40% benchmark disability.

According to the latest NTA update, candidates can download their documents, such as the confirmation page, admit card, and score cards, through UMANG and DigiLocker.

The Jamia Millia Islamia (JMI) has introduced new self-financed BTech and MTech programmes for the 2024-25 academic year in March. New courses include BTech programs in Electrical and Computer Engineering, Electronics (VLSI Design and Technology), and Computer Science and Engineering (Data Sciences), along with an MTech in Data Sciences. Admission for BTech courses will be based on JEE Mains rankings, with annual fees set at Rs 1,50,000 for BTech and Rs 54,000 for MTech.

JEE Mains 2025 is expected to follow the two-shift schedule as per past trends:

• Shift 1: 9:00 am to 12:00 pm
• Shift 2: 3:00 pm to 6:00 pm

For admission into NITs, IIITs, and GFTIs through JEE Mains 2025, candidates are required to have studied physics and maths in Class 12, along with one optional subject like chemistry, biology, biotechnology, or a technical vocational subject.

Candidates can check the previous year's JEE Mains cut-off below.

The JEE Mains 2025 registration process involves the following

• Visit official website: Go to the official JEE Main website, jeemain.nta.nic.in, or the National Testing Agency (NTA) website.
• New Registration: Click on the "New Registration" button and complete the registration process by providing basic details such as your name, date of birth, and email ID.
• Fill JEE Mains 2025 application form: Once registered, log in with your credentials to fill out the application form. Provide details such as personal information, educational qualifications, and preferred exam cities.
• Upload documents: Upload scanned images of your photograph, signature, and required certificates (category certificate, PwD certificate, if applicable) in the prescribed format.
• Payment of JEE Mains 2025 registration fee: Pay the application fee online through net banking, credit, debit card, or UPI.
• Confirmation: After successful payment, download and print the confirmation page for future reference.
• Correction window: NTA will open a correction window for making changes to certain fields in the JEE Mains 2025 application form.

Candidates can attempt JEE Main for three consecutive years, with two attempts per year.

Candidates can carry the following items to the JEE Mains 2025 exam centre.

• JEE Main 2025 admit card
• Valid Photo ID Proof (Aadhaar, PAN, etc.)
• Passport size photograph
• PwD certificate (if applicable)
• Self-declaration (if required)
• Transparent ballpoint pen

For JEE Mains 2025, the National Testing Agency (NTA) has specified that all rough work or calculations must be done only on the rough sheets provided at the exam center. Candidates will receive these sheets in the examination room or hall. Upon completion of the exam, it is mandatory for candidates to hand over the rough sheets to the invigilator before leaving the exam hall.

The Joint Entrance Examination (JEE) Main exam is held for admission to BTech, BArch and BPlan courses at NITs, IIITs, other Centrally Funded Technical Institutions (CFTIs), Institutions.

The latest update on the JEE Mains 2025 official website is about the implementation of government guidelines for conducting JEE Mains for persons with disabilities.

As per NTA, if a candidate engages in unfair practices during, before, or after the JEE Mains 2025 exam, they will be booked under Unfair Means (UFM) case. Such candidates may face severe consequences, including a ban from taking the exam for three years. Additionally, they can also face criminal charges or other actions deemed appropriate by the authorities.

JEE Main scores are valid for one year. This means candidates can use their JEE Main 2025 scores for admission at participating institutions in the academic year 2025-26.

The National Testing Agency (NTA) offers free mock tests to help students prepare for the Joint Entrance Examination (JEE) Main. These mock tests are designed to simulate the actual exam experience, allowing candidates to become familiar with the computer-based test format and assess their readiness. The NTA JEE Mains mock test 2025 date is yet to be announced.

Candidates can have a look at the JEE Mains 2025 marking scheme belwow

• +4 marks for every correct answer.
• No negative marking for incorrect answers.
• 0 marks for unattempted questions.

The National Testing Agency will conduct the JEE Main 2025 exam in two sessions- January and April.

The JEE Main 2025 registration process has not yet commenced. The JEE Main 2025 application form link will be activated at jeemain.nta.nic.in.

The National Testing Agency (NTA) announced government guidelines for conducting the Joint Entrance Examination (JEE) Main 2025 for people with disabilities (PwD).

As per the revised pattern, there will be no optional questions in section B of the JEE Mains 2025 exam.

The National Testing Agency has not yet announced the JEE Mains 2025 exam date. However, as per past trends the JEE Mains 2025 exam for session 1 will be held in January end.

The NTA has clarified that all details regarding JEE Main 2025 will now be hosted on the official websites nta.ac.in and jeemain.nta.nic.in.

Some of the top NITs based on the National Institutional Ranking Framework (NIRF) ranking 2024 are as follows:

• National Institute of Technology (NIT) Tiruchirappalli
• National Institute of Technology (NIT) Karnataka, Surathkal
• National Institute of Technology (NIT) Rourkela
• National Institute of Technology (NIT) Warangal
• National Institute of Technology (NIT) Calicut
• Visvesvaraya National Institute of Technology (VNIT) Nagpur
• National Institute of Technology (NIT) Silchar
• Malaviya National Institute of Technology (MNIT) Jaipur
• National Institute of Technology (NIT) Durgapur
• National Institute of Technology (NIT) Delhi

Candidates can have a look at the JEE Mains 2025 registration fee (as per past trends) details below.

Candidates with benchmark disabilities, including blindness, locomotor disability (both arms affected), and cerebral palsy, can request assistance from a scribe, reader, or lab assistant. For those with other benchmark disabilities, such assistance requires a certificate confirming the need for a scribe, issued by the Chief Medical Officer, Civil Surgeon, or Medical Superintendent of a government healthcare institution.

The full form of JEE Main is Joint Entrance Examination Main. It is a national-level entrance exam conducted by the National Testing Agency (NTA) for admission to undergraduate engineering programmes.

Candidates can have a look at the JEE Mains 2025 exam mode details below.

• Paper 1 (BE, BTech): Conducted in computer-based test (CBT) mode only.
• Paper 2A (BArch):
  • Mathematics (Part 1) and aptitude test (Part 3) in CBT mode.
  • Drawing Test (Part 3) in penand-paper (offline) mode on an A4 drawing sheet.
• Paper 2B (BPlanning):
  • Mathematics (Part 1), Aptitude Test (Part 2), and Planning-Based Questions (Part 3) in CBT mode.

No, the National Testing Agency is yet to publish the JEE Main 2025 official brochure at jeemain.nta.nic.in.