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The Joint Entrance Examination Main (JEE Main) and Indian Institutes of Science Education and Research (IISERs) admission test (IAT) are both prestigious national-level entrance exams for undergraduate science and technology programmes. The JEE Main is the gateway for admission in various premier public engineering colleges including the National Institutes of Technology (NITs); it also serves as a preliminary round for admission to the Indian Institutes of Technology (IITs). The IAT is for admission into IISERs which were established to promote research and development in the Sciences and offer integrated BS-MS programmes at most institutes. This article will describe the differences and the similarities between the two and offer handy, subject-wise preparation strategies.
JEE Main is conducted by National Testing Agency (NTA). The IIT-JEE, as it is often called, consists of two stages: JEE Main and JEE Advanced. For admission in the IITs, JEE Main is the first stage and JEE Advanced, the final. For admission in Indian Institutes of Information Technology (IIITs), National Institutes of Technology (NITs), Government-funded technical institutions (GFTIs) and many other private colleges or institutes, students have to qualify JEE Main.
The IISERs are premium science research institutes in India. There are seven of them – IISER Bhopal, IISER Pune, IISER Kolkata, IISER Thiruvananthapuram, IISER Tirupati, IISER Berhampur and IISER Mohali. They offer programmes like Bachelor of Science (BS), Integrated Bachelor of Science - Master of Science (BS-MS), research (PhD) and postdoctoral programmes.
In JEE Main, there are a total of 90 questions out of which 75 questions are mandatory to attempt. There are three sections in the paper:
Physics
Chemistry
Mathematics
Recently, the pattern for JEE Main was modified and numerical questions introduced. JEE Main contains two sections for every subject. Section 1 contains 20 multiple choice questions (MCQs) and all the MCQs are compulsory. Section 2 contains 10 numerical questions of which only five have to be attempted.
Unlike other institutions there are three admission routes into an IISER:
science students who qualify the KVPY exam through college. To get admission, you must write the KVPY exam in Class 11 or 12. Admission is on the basis of the KVPY rank with each IISER setting its own cut-off rank.
Joint Entrance Examination (JEE Advanced) of Indian Institutes of Technology.
State and Central Boards Channel (SCB): To get admission through the SCB channel, you should write the IISER Aptitude Test (IAT).
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The IISER Aptitude Test (IAT) is a three-hour examination covering 60 questions. There are four sections in the paper:
Physics
Chemistry
Mathematics
Biology
A student appearing for the examination has to answer questions in all the sections. There are 15 questions in each section.
Both exams, JEE Main and IAT, are now computer-based. The IISER Aptitude Test is organized only once in a year whereas JEE Main was held twice in 2019 and 2020 and four times in 2021. For candidates who write it more than onces, the best score of the four is considered for the final NTA JEE Main result and rank list.
The number of students appearing in the JEE Main examination is much higher than the IAT.
In 2021, over 10.48 lakh students registered for the four sessions of JEE Main and about 9.39 lakh candidates finally appeared. 45,000 seats are directly filled through JEE Main or via JEE Advanced, including 16,053 seats in IITs and 31,652 seats in NITs, GFTIs, IIITs and rest.
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In 2020, almost 2 lakh students applied for IAT, competing for at least 1,734 seats in BS-MS dual degree and 115 seats in BS degree programmes.
The level of IISER Aptitude Test (IAT) is on a par with JEE Main. The only major difference is that for one, you have to attempt questions from all four subjects and for JEE Main, only three. However, all science stream students can write the IAT irrespective of whether they studied Biology and Mathematics.
The marking scheme differs slightly. In JEE Main, for every correct answer, candidates are awarded four marks and for every wrong answer, one mark is deducted. In IISER Aptitude Test (IAT), for every correct answer, candidates are awarded three marks and for every wrong one, one mark is deducted.
A student can write JEE Main for three consecutive years starting from their first attempt right during or immediately after Class 12. For IAT, candidates are allowed two attempts in two consecutive years upon completing Class 12.
In case of IISER, the scorecard and ranks are not disclosed to the candidates. A window is provided to view the evaluated responses on the website and the seat allotments are started directly after. In case of JEE Main, scorecards are provided to candidates displaying the percentiles in each section along with the overall percentile.
Questions in IISER Aptitude Test and JEE Main are of similar difficulty level. Both require deep knowledge and understanding of concepts.
A student preparing for JEE Main can also appear for IISER Aptitude Test. The major difference is the presence of the compulsory Biology section in the IAT..
A subject-wise comparison of questions is given below.
Syllabus Compared
The Physics syllabus and difficulty level are the same for IISER Aptitude Test and JEE Main, except the experimental lab skills part. Experimental lab skills are not a part of the IAT.
Weightage Compared
The previous IAT papers are not public, but on the basis of students' reviews, Current Electricity, Modern Physics, Thermodynamics and Mechanics carry a huge chunk of marks. For Physics, it is a good idea to refer to a good reference book, to practice numericals, and to have a firm grasp on the topics and concepts.
Syllabus Compared
The syllabus for both exams includes all the topics and chapters in Class 11 and Class 12 Chemistry NCERT textbooks. Even in this case, the experimental lab skills are not tested on in the IAT. The difficulty levels are similar too.
Weightage Compared
On the basis of students’ reviews, the exceptional trends in Inorganic Chemistry must be learnt for IAT. The reaction mechanisms should be understood in depth as several problems are based on them. For JEE Main, a candidate must have a strong grip over the concepts of Organic Chemistry.
Syllabus Compared
Similarly, there is much overlap between the Mathematics syllabi. A chapter on Linear Programming is not asked in JEE Main but appears in AIT. Other chapters from the Classes 11, 12 syllabus, including Matrices, Determinants, Integration, and Derivatives, appear in both the examinations.
Weightage Compared
In case of IAT, student reviews state that candidates should focus on Trigonometric Equations, Properties of Triangle, Complex Numbers, Calculus and Probability as these chapters hold high weightage.
Syllabus Compared
Biology is not part of JEE Main at all but a compulsory section in the IISER Aptitude Test.
Weightage Compared
Judging by students’ responses, Genetics, Evolution, Ecology and Cell Division should be studied with greater care as these units constitute a large part of AIT’s Biology section.
The difficulty levels of both exams are similar as are the syllabi.
The only differences are in the question paper patterns and the presence of the Biology section in IAT. It is a good idea to practise solving questions from various reference books, previous years’ question papers and mock tests.
How You Should Prepare
The JEE Main contains more questions than the IAT and they have to be solved within the same period of time. So, JEE Main is also a speed test. This is how you can approach the exams:
Make a study time-table and follow it strictly
First, study the concepts thoroughly from the NCERT textbooks and then, to gain depth and clarity of understanding concepts, use good reference books.
Create your own study material or notes.
Do regular self-study.
Make use of flowcharts and diagrams
Attempt previous years’ question papers and mock tests.
Prepare a strategy to attempt the question paper so that you can maximize your score.
Hello
NIT Kurukshetra – Civil Engineering (JEE Main Cut-offs)
2024 Round 3 and 4 Final Closing Ranks
All India (AI Other State) Category – Gender Neutral
Opening Rank: Approximately 15,535
Closing Rank: Around 29,292 in Round 1, and up to 33,266 by Round 4
Home State (HS Haryana) Category – Gender Neutral
Opening Rank: Approximately 9,853
Closing Rank: Around 38,638 across various rounds
Expected Cut-Offs for 2025 (Projected)
The estimated closing ranks for Civil Engineering in the early rounds are as follows:
All India (Open): Between 15,520 and 34,638
EWS (All India): Between 4,090 and 46,628
OBC NCL (All India): Between 7,946 and 12,000
SC (All India): Between 1,445 and 5,155
ST (All India): Between 960 and 1,136
Note: These expected cutoffs are only estimates based on previous year trends and are subject to change depending on this year's exam and counselling dynamics.
Dear candidate ,
Cutoffs for JEE Main 2024 for Tatyasaheb Kore Engineering college ( TKIET ) . Warananagar :
- CSE : 65,000 ( All India ) , 36,000 ( Home state ) .
- Electronics and Telecom : 40,000
- Chemical Engineering : 47,000 .
- Cyber security : up to - 85,000 .
Hello Srinidhi,
In order to acquire Mechanical Engineering at NIT Kurukshetra, generally the required JEE Main rank will be in the range of:
The cutoffs that I have provided above change from year to year, as well as category and gender. For reserved categories (SC/ST/OBC/EWS), the ranks are much more relaxed.
Hii,
If you belong to a PCB background and want to explore fields like Artificial Intelligence and Data Science. But there are some important things to keep in mind. Usually, B.Tech in AI and DS comes under engineering courses, so most colleges prefer students who have studied Mathematics in Class 12 (i.e., PCM or PCMB). That’s because the course involves coding, statistics, algorithms, and problem-solving all of which need a solid foundation in Maths. Some private universities or deemed colleges offer direct admission to PCB students, either by relaxing the Maths requirement or by admitting students through management quota. You may have to take an additional foundation course in Mathematics or coding in the first semester. A few colleges have started B.Sc. in AI & Data Science programs that are more flexible with eligibility. These are not engineering degrees but can still lead to good careers in AI, especially if you're open to further certifications.Since you haven't given the JEE or any entrance exam, you'll have to look for colleges that offer direct admission based on Class 12 marks, have a management quota, or conduct a basic aptitude test or interview, and accept PCB students also.It’s better to call or email the admission desk directly.
To explore more colleges offering AI and DS courses, including eligibility and fee details, you can visit:
https://www.careers360.com/courses/b-tech-in-artificial-intelligence
Thank you and all the best
Hello
Yes, the Circle chapter, taught in Class 11 under Coordinate Geometry, is part of the official JEE Main 2026 Mathematics syllabus, so you will definitely encounter questions from it in the exam.
Circles and Conic Sections are explicitly listed in the JEE Main Mathematics syllabus.
You will need to study topics such as the standard and general form of the circle's equation, center and radius, equation when endpoints of a diameter are given, and the intersection of a line with a circle. Tangents and chord-related problems may also be included in the syllabus.
A flight attendant ensures passenger safety and comfort during flights. Key duties include conducting safety checks, assisting passengers, serving food and drinks, and managing emergencies. They must be well-trained in safety procedures and customer service. A high school diploma is typically required, followed by rigorous training to qualify for the role.
A Flight Engineer monitors and operates an aircraft’s complex systems like engines, fuel, and hydraulics during flight, ensuring optimal performance and safety. They assist pilots with technical issues, conduct inspections, and maintain records. This role requires strong technical knowledge, problem-solving, and communication skills. Training usually involves a degree in aviation or aerospace engineering and specialised certification.
An Aircrew Officer operates and navigates aircraft, ensuring safe flights and compliance with aviation regulations. Key duties include managing flight systems, conducting pre- and post-flight checks, and adhering to safety standards. The role typically requires working five days a week, with around 120 flight hours monthly. Employment may be contractual or permanent, depending on the airline.
An aerospace engineer designs, develops, tests, and maintains aircraft, spacecraft, and related systems. They apply physics and engineering principles to improve aerospace technologies, often working in aviation, defence, or space sectors. Key tasks include designing components, conducting tests, and performing research. A bachelor’s degree is essential, with higher roles requiring advanced study. The role demands analytical skills, technical knowledge, precision, and effective communication.
An air hostess, or flight attendant, ensures passenger safety and comfort during flights. Responsibilities include safety demonstrations, serving meals, managing the cabin, handling emergencies, and post-flight reporting. The role demands strong communication skills, a calm demeanour, and a service-oriented attitude. It offers opportunities to travel and work in the dynamic aviation and hospitality industry.
An aeronautical engineer designs, develops, tests, and maintains aircraft and related systems. They work on components like engines and wings, ensuring performance, safety, and efficiency. The role involves simulations, flight testing, research, and technological innovation to improve fuel efficiency and reduce noise. Aeronautical engineers collaborate with teams in aerospace companies, government agencies, or research institutions, requiring strong skills in physics, mathematics, and engineering principles.
A Safety Manager ensures workplace safety by developing policies, conducting training, assessing risks, and ensuring regulatory compliance. They investigate incidents, manage workers’ compensation, and handle emergency responses. Working across industries like construction and healthcare, they combine leadership, communication, and problem-solving skills to protect employees and maintain safe environments.
An airline pilot operates aircraft to transport passengers and cargo safely. Responsibilities include pre-flight planning, in-flight operations, team collaboration, and post-flight duties. Pilots work in varying schedules and environments, often with overnight layovers. The demand for airline pilots is expected to grow, driven by retirements and industry expansion. The role requires specialized training and adaptability.
Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues.
A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.
An architect plans and designs buildings, ensuring they are safe, functional, and aesthetically pleasing. They collaborate with clients, engineers, and contractors throughout the construction process. Key skills include creativity, design software proficiency, and knowledge of building codes. In India, a 5-year B.Arch degree and registration with the Council of Architecture are required to practise professionally.
Having a landscape architecture career, you are involved in site analysis, site inventory, land planning, planting design, grading, stormwater management, suitable design, and construction specification. Frederick Law Olmsted, the designer of Central Park in New York introduced the title “landscape architect”. The Australian Institute of Landscape Architects (AILA) proclaims that "Landscape Architects research, plan, design and advise on the stewardship, conservation and sustainability of development of the environment and spaces, both within and beyond the built environment". Therefore, individuals who opt for a career as a landscape architect are those who are educated and experienced in landscape architecture. Students need to pursue various landscape architecture degrees, such as M.Des, M.Plan to become landscape architects. If you have more questions regarding a career as a landscape architect or how to become a landscape architect then you can read the article to get your doubts cleared.
Urban Planning careers revolve around the idea of developing a plan to use the land optimally, without affecting the environment. Urban planning jobs are offered to those candidates who are skilled in making the right use of land to distribute the growing population, to create various communities.
Urban planning careers come with the opportunity to make changes to the existing cities and towns. They identify various community needs and make short and long-term plans accordingly.
A plumber installs, maintains, and repairs water, gas, and waste systems in homes and buildings. Their duties include fixing leaks, installing fixtures, testing systems, ensuring safety compliance, and working with other professionals on projects. They also document repairs and may supervise apprentices. Plumbers play a key role in ensuring public health and the smooth functioning of essential utilities.
Individuals who opt for a career as construction managers have a senior-level management role offered in construction firms. Responsibilities in the construction management career path are assigning tasks to workers, inspecting their work, and coordinating with other professionals including architects, subcontractors, and building services engineers.
Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems.
Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.
Energy efficiency engineering is a broad field of engineering which deals with energy efficiency, energy services, facility management, plant engineering, and sustainable energy resources. Energy efficiency engineering is one of the most recent engineering disciplines to emerge. The field combines the knowledge and understanding of physics, chemistry, and mathematics, with economic and environmental engineering practices. The main job of individuals who opt for a career as an energy performance engineer is to find the most efficient and sustainable path to operate buildings and manufacturing processes.
Individuals who opt for a career as energy performance engineers apply their understanding and knowledge to increase efficiency and further develop renewable sources of energy. The energy efficiency engineers also examine the use of energy in those procedures and suggest the ways in which systems can be improved.
A geologist attempts to comprehend the historical backdrop of the planet we live on, all the more likely to anticipate the future and clarify current events. He or she analyses the components, deployments, results, physical characteristics, and past of the planet. A geologist examines the landforms and landscapes of the earth in relation to the geology, climatic, and human processes that have shaped them.
A geologist studies earth procedures, for example, seismic tremors, avalanches, floods, and volcanic eruptions to review land and draw up safe structure plans. When he or she researches earth materials, explores metals and minerals, yet in addition search for oil, petroleum gas, water, and strategies to extricate these.
A career as a Petroleum engineer is concerned with activities related to producing petroleum. These products can be in the form of either crude oil or natural gas. Petroleum engineering also requires the exploration and refinement of petroleum resources. Therefore, a career as a petroleum engineer comes up with oil and gas onshore jobs. There are also desk jobs in the petroleum industry. In layman’s terms, a petroleum engineer is a person who finds the best way to drill and extract oil from oil wells. Individuals who opt for a career as petroleum engineer also tries to find new ways to extract oil in an efficient manner.
A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.
A career as a civil engineer is of great importance for the infrastructural growth of the country. It is one of the most popular professions and there is great professional as well as personal growth in this civil engineering career path. There is job satisfaction in this civil engineering career path, but it also comes with a lot of stress, as there are multiple projects that need to be handled and have to be completed on time. Students should pursue physics, chemistry and mathematics in their 10+2 to become civil engineers.
A career as a Transportation Engineer is someone who takes care of people's safety. He or she is responsible for designing, planning and constructing a safe and secure transportation system. The transportation sector has seen a huge transformation and is growing day by day and improving every day.
As a Transport Engineer, he or she needs to solve complex problems such as accidents, costs, traffic flow, and statistics. A Transport Engineer also collaborates for projects with some other companies.
A Loco Pilot operates trains, ensuring safe and timely transport of passengers or goods. Starting as an Assistant Loco Pilot, one can progress to senior roles with experience. The job demands technical knowledge, focus, and adherence to safety protocols. It involves coordination with train staff and may require working long hours under pressure.
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