Appearing for JEE Main 2021? Read to know the common mistakes to avoid while preparing for JEE Main 2021.
JEE Main is the exam that needs a specific preparation strategy on students’ part but at the same time they do not end up doing anything that may reduce their chances of qualifying for the exam.
There are some common mistakes the students make while preparing for the exam that may result in a lower JEE Main score and further lead to admission to a course or institute that they do not wish for. Along with the IIT JEE Main preparation strategy, it’s equally important to pay attention to common mistakes candidates make while preparing for the exam. Hereunder, shiksha.com brings in for students some common mistakes to avoid while preparing for JEE Main 2021 exam. Avoiding these mistakes will help students considerably increase their JEE Main scores and level up their ranks by not making the following mistakes.
Explore colleges based on JEE Main
1. Measuring Study Time by the Number of Hours
More study hours do not guarantee better preparation. The time spent studying qualitatively matters far more than the quantity. If students want a good rank in JEE Main, they first need to make realistic targets for every day. Completing daily targets will motivate students and make their study sessions more purposeful.
2. Keeping Chemistry Aside
Most of the students feel that chemistry is boring especially inorganic and some parts of organic. However, this attitude will lower the score of students in the JEE Main. Chemistry can be a scoring section and it can be solved tentatively in around forty minutes or even lesser. This will give students more time for the other sections. So, candidates should never ignore this subject while preparing for JEE Main.
3. Not Using the NCERTs
Students are familiar with various reference books, but they should never neglect the NCERT textbooks. These books will give help aspirants cover the entire JEE Main syllabus in simple terms. Candidates should never hesitate to open and refer to the NCERT textbooks. Students must keep in mind that the NTA will never cross the boundaries of the syllabus beyond NCERT books.
4. Working More on Already Prepared Topics
Candidates must never limit their preparation to the already well-prepared topics. Students must remember that the JEE Main paper will not include questions only from those topics. One should focus on all the topics along with the important ones. This is the same for all the subjects.
5. Keeping the Doubts Alive
Try not to have any doubts about any topics at this phase of your preparations, it will only increase students’ stress. Try to solve any doubt as early as possible. Aspirants should never hesitate their doubts even in the last days.
6. Ignoring Revision
The success in entrance examinations like JEE Main depends mostly on a candidates approach towards preparation during a few days before the exam. However, last days of your preparation must include revisions and mock tests. It is good to practice as many questions as possible during the last days, but it should not revisions. Students must revise whatever they have studied in the last year.
7. Referring New Study Material
All the experts and toppers suggest that students should never read any new study material in the last days of their preparations. It is good if candidates have started referring to new study materials and books at an early stage, but not during the last days. Reading new study material will just increase your anxiety on exam day.
8. Not Attempting Mock Tests
Undeniably, sitting for more than three hours for a single paper is a big task for students. One can handle it by taking full-length mock tests during the last days of their preparations. The JEE Main mock tests will also help students know their preparation levels. Students must dedicate an entire week to mock tests to become familiar with the JEE Main exam pattern.
9. Motivating Yourself
Success in JEE Main will be the biggest moment for any student. Candidates must prepare for the exam while keeping this thing in their mind. It will keep the aspirants always motivated by telling yourself that JEE Main will help students land at the doors of IITs, NITs or IIITs.
Common Mistakes to Avoid at the JEE Main Examination Centre
Students must avoid the following mistakes at the exam centre:
- Reaching exam centre late
- Forget to carry JEE Main admit card with affixed photograph.
- The photograph on the admit card should be the same as the one submitted in the JEE Main application form
- Forget to take a postcard size photograph
- Carrying bared items in the examination hall
- Wasting a lot of time on difficult questions
- Students must try to avoid all the above mistakes as it will help them to prepare well for the exam as well as avoid stress during the exam.
| Practice with JEE Main Sample Papers | JEE Main 2021 Mock Tests |
News & Updates
Explore Other Exams
11 May '26 - 17 May '26 | JEE Advanced Admit Card 2026 D... |
16 May '26 | JEE Advanced 2026 Choosing of ... |
29 Apr '26 - 1 Jun '26 | Apply for admission with 12th ... |
13 May '26 - 15 May '26 | BITSAT 2026 Slot Booking Sessi... |
3 Nov '25 - 4 Jun '26 | SRMJEEE 2026 Registration (Pha... |
3 Nov '25 - 30 Jun '26 | SRMJEEE 2026 Registration (Pha... |
13 May '26 - 15 May '26 | COMEDK Answer Key Release & Ch... |
20 May '26 | COMEDK Final Answer Key 2026 |
15 May '26 - 24 May '26 | WBJEE 2026 admit card |
24 May '26 | WBJEE 2026 exam date |
8 May '26 | VITEEE Result 2026 |
28 Apr '26 - 3 May '26 | VITEEE 2026 Exam Dates |
10 May '26 - 11 May '26 | MHT CET 2026 Exam for PCB Grou... |
12 May '26 - 21 May '26 | MHT CET 2026 Date for PCM Grou... |
Student Forum
Answered 2 days ago
No, JEE Main is not required to take admission in BTech at NMAM Institute of Technology, NITTE University. The college accepts NUCAT scores for BTech admissions. NUCAT is conducted by the institute itself. It has MCQ type questions with no negative marking.
R
Contributor-Level 10
Answered 3 days ago
No, candidates need to pass NMIMS CET conducted by the university for admission in BTech programme of NMIMS Chandigarh. SAT/ ACT qualified candidates can also get admission. Applicants have to confirm their seat by paying the course fee after completion of selection process.
N
Guide-Level 15
Answered 3 days ago
Candidates can get admission in BTech programme of United Group of Institutions, Greater Noida via UPTAC Counselling based on their JEE Main scores. Hence, JEE Main is one of the options to get admission in the institute.
N
Guide-Level 15
Answered 4 days ago
After the JEE Main Session 2 result, students usually start comparing universities based on placements, specializations, campus exposure, and future opportunities. Many students apply to private universities like Jain University, but at the same time a lot of students also explore LPU for B.Tech CSE
A
Guide-Level 11
Answered 4 days ago
A straight answer: if your goal is less academic load + decent career options, then among CSE, ECE, EE, the usual reality is:
- CSE (Computer Science) → the lightest relative load (more logic + coding, less hardcore physics/math hardware)
- ECE (Electronics & Communication) → Medium load (mix of coding +
A
Beginner-Level 1
Answered 5 days ago
No, JEE Mains is not a mandatory entrance exam for ICFAI School of Architecture BArch admission.as candidates can also appear in NATA to qualify for this course as well. Selection can be done on the basis of either exam's result.
S
Contributor-Level 10
Answered 5 days ago
If you have scored 28,551 rank in SC category in JEE Main, your chances of getting admission at NITs will be restricted to newer NITs or some specific branches, via CSAB special round or state quota, if any.
Based on 2024-2025 cutoff trends, here's the overview:
With this rank, you will not be abl
T
Contributor-Level 10
Answered 5 days ago
Yes, JEE Main is enough for HVPM College of Engineering & Technology BTech admissions. The college accepts students through an entrance basis only. Hence, a student have either JEE Main or MHTCET score is eligible. The basic eligibility must also be fulfilled.
A
Contributor-Level 10
Answered 6 days ago
JEE Main is one of the accepted exams for Atharva School of Engineering and Technology BTech admissions. However, it is not compulsory. Students can also submit valid score obtained in MHT CET/ PERA CET/ CUET/ AU-AIET instead.
N
Contributor-Level 10
Answered a week ago
GRD Institute of Management and Technology does accept JEE Main scores for admission in BTech course. However, it is not compulsory. Aspirants with CUET-UG scores can also get a seat in BTech programme.
N
Guide-Level 15

Is JEE Main required to take admission in BTech at NMAM Institute of Technology, NITTE University?