If you are a Life Sciences student, you have probably seen the CSIR NET December 2026 notification all over your phone this month. Every group has a different version of the dates, the fee and the syllabus. This guide cleans that up.
I checked the latest updates before writing. You will find the confirmed dates, the real cutoffs from the June 2026 result, and the one change that matters most to Life Sciences and Biotechnology students this year. At the end you will get a practical 60 day plan. We are writing from the viewpoint of Chandu Biology Classes, Narayanguda, Hyderabad, where thousands of postgraduate Life Sciences aspirants have prepared for CSIR NET, GATE XL, IIT JAM and state level exams.
Today is 19 October 2026. The application window is open, but it will not stay open for long.
CSIR NET December 2026 Notification: Quick Snapshot
| Detail | Information |
|---|---|
| Exam name | Joint CSIR UGC NET December 2026 |
| Conducting body | National Testing Agency (NTA) |
| Notification released | 7 October 2026 |
| Online application | 7 October to 5 November 2026 (till 11:50 PM) |
| Late submission | 6 to 9 November 2026 |
| Correction window | 10 to 12 November 2026 |
| Exam dates | 19, 22 and 27 December 2026 |
| Mode | Computer Based Test, two shifts |
| Shift timings | 9:00 AM to 12:00 noon and 3:00 PM to 6:00 PM |
| Purpose | JRF, Assistant Professor and PhD admission |
If you only needed the dates, you have them. Read on for the details that decide whether you actually clear the exam.
What the CSIR NET December 2026 Notification Actually Says
The National Testing Agency released the Joint CSIR UGC NET notification for the December 2026 cycle on 7 October 2026. Registration began on the same day on the official NTA portal for CSIR NET, csirnet.nta.nic.in.
The exam decides eligibility for three outcomes:
- Junior Research Fellowship (JRF) along with Assistant Professor eligibility
- Assistant Professor eligibility only
- Admission to PhD programmes only
The JRF stipend reported for qualified candidates is Rs. 37,000 per month for the first two years, which is why the JRF cutoff is the number everyone chases.
One confusion needs clearing up. Earlier in the year, the NTA exam calendar showed 20 and 21 December 2026 as tentative dates. Many websites still carry those old dates. The official notification lists 19, 22 and 27 December 2026. Always follow the notification, and keep checking the official portal in case of any change.
Important Dates You Must Not Miss
| Event | Date |
|---|---|
| Notification and registration start | 7 October 2026 |
| Last date to apply and pay fee (no late fee) | 5 November 2026, 11:50 PM |
| Late application window | 6 to 9 November 2026 |
| Last date for late fee payment | 9 November 2026, 11:50 PM |
| Application correction window | 10 to 12 November 2026 |
| City intimation slip | To be announced |
| Admit card | To be announced |
| Exam dates | 19, 22 and 27 December 2026 |
My advice is simple. Do not wait for the last week. Server load goes up in the final days, payment gateways slow down, and a small mistake in category or subject can cost you a full cycle. Apply this week, then use the correction window only for genuine corrections.
The Biggest Change in the CSIR NET December 2026 Notification: Life Sciences and Biotechnology Merger
If you are a Life Sciences or Biotechnology student, this is the section to read twice.
Until June 2026, there were two separate exams. CSIR NET Life Sciences was one, and the DBT BET for Biotechnology was the other. From the December 2026 cycle, both are merged. The new discipline is called Life Sciences and Biotechnology (LS and BT), and the exam is now known as the Joint CSIR UGC DBT JRF NET.
Here is what this means in practice:
- One application, one fee. You no longer register on two different portals or pay two fees.
- One exam, one result. A single paper decides your eligibility across both streams.
- Wider benefits for Biotechnology students. Biotechnology candidates who qualify through the joint exam become eligible for all three categories, including Assistant Professor eligibility, as per the official notice issued in January 2026.
- A revised syllabus. The information bulletin carries the revised syllabus for LS and BT. Do not rely only on old Life Sciences or old DBT BET material.
What should you do about it? Open the bulletin and compare the new syllabus unit by unit with the older Life Sciences syllabus. Mark every topic that is new or more strongly stressed. Biotechnology applications, genetic engineering tools and bioprocess ideas deserve extra attention if your background is pure Zoology or Botany.
There is also a competition angle. More candidates are now under one paper. That may push the cutoff upward, which I explain later in the cutoff section.
CSIR NET December 2026 Eligibility Criteria
Check your eligibility before paying a single rupee.
Educational qualification
- Candidates need an MSc or equivalent degree, or an integrated BS MS, four year BS, BE, BTech, BPharma or MBBS, with at least 55 percent marks for General and EWS candidates.
- Candidates from reserved categories such as SC, ST and PwD need at least 50 percent marks. Some summaries list OBC NCL at 55 percent and some at 50 percent, so read the category line in the bulletin carefully.
- Final year students and those awaiting their results can apply, but they must complete the degree with the required marks within the prescribed time.
- Candidates with a four year undergraduate degree who have secured at least 75 percent marks are reported eligible for JRF and PhD admission.
Age limit
- JRF: not more than 30 years as on 1 December 2026.
- Relaxation applies as per the bulletin. It is reported as up to 5 years for SC, ST, PwD, third gender and women candidates, and up to 3 years for OBC NCL candidates.
- Assistant Professor and PhD admission: there is no upper age limit.
If you are close to the age boundary, check the exact date calculation in the bulletin. That single line has decided many students’ futures.
CSIR NET December 2026 Application Fee
| Category | Regular fee | With late fee (after 5 November) |
|---|---|---|
| General (Unreserved) | Rs. 1,150 | Rs. 1,650 |
| General EWS and OBC NCL | Rs. 600 | Rs. 1,100 |
| SC, ST, PwD and Third Gender | Rs. 325 | Rs. 825 |
The late fee is Rs. 500. Paying on time saves you that amount, and it saves you the stress too.
How to Apply Online, Step by Step
- Visit the official NTA portal for CSIR NET.
- Register with a valid mobile number and email ID that you will actively check until the result.
- Fill in the application form with your personal, academic and category details.
- Choose your subject carefully. Life Sciences students will now see the combined LS and BT discipline.
- Select your exam city choices.
- Upload a recent photograph, signature and any category certificate as per the size and format rules.
- Pay the fee online and save the confirmation page.
- Download and keep a printout of the final form.
Two small habits protect you. Keep your scanned documents ready in the right size before you start. And never use a nickname or a different spelling of your name from your certificates, because name mismatch is one of the most common reasons for problems at the exam centre.
CSIR NET Life Sciences Exam Pattern
The paper is computer based and runs for three hours. It carries 200 marks and is divided into three parts. Based on the pattern followed in recent cycles, the Life Sciences structure looks like this:
| Part | Questions given | Questions to attempt | Marks each | Total marks | Negative marking |
|---|---|---|---|---|---|
| Part A (General Aptitude) | 20 | 15 | 2 | 30 | 0.5 |
| Part B (Core Life Sciences) | 50 | 35 | 2 | 70 | 0.5 |
| Part C (Application and Analysis) | 75 | 25 | 4 | 100 | 1 |
The paper is available in English and Hindi. Reports on the merged LS and BT paper also describe a total of 200 marks with the same style of marking, but confirm every figure in the information bulletin, since it is the only final authority.
Notice how much weight Part C carries. It alone gives half of the total marks. Students who spend months only memorising facts and ignore data interpretation, experimental design and application based reasoning usually get stuck below the cutoff.
Also remember that negative marking applies. A wrong answer in Part C costs you one mark, and the effect of that on a 4 mark question is bigger than most students expect. Attempt what you know well, and do not gamble.
Real CSIR NET Life Sciences Cutoff: What the Latest Result Shows
Students keep asking for the real cutoff, not guesses from social media. The most recent official cutoff comes from the June 2026 session. That exam was held on 17 and 18 July 2026, and the cutoff was released in September 2026.
June 2026 Life Sciences JRF cutoff (percent of 200 marks)
| Category | JRF cutoff |
|---|---|
| Unreserved | 66.500 |
| EWS | 59.250 |
| OBC | 58.000 |
| SC | 49.500 |
| ST | 44.750 |
| PwD | 30.750 |
June 2026 Life Sciences Assistant Professor cutoff
| Category | Cutoff |
|---|---|
| Unreserved | 59.850 |
| EWS | 53.325 |
| OBC | 52.200 |
| SC | 44.550 |
| ST | 40.275 |
| PwD | 27.675 |
June 2026 Life Sciences PhD only cutoff
| Category | Cutoff |
|---|---|
| Unreserved | 50.250 |
| EWS | 40.500 |
| OBC | 42.000 |
| SC | 36.500 |
| ST | 33.000 |
| PwD | 25.000 |
On a 200 mark paper, an Unreserved JRF cutoff of 66.5 percent works out to roughly 133 marks.
There is also a basic minimum qualifying benchmark reported at 33 percent for General, EWS and OBC, and 25 percent for SC, ST and PwD. Do not confuse this with the competitive subject wise cutoff. The minimum only makes you eligible to be considered. The cutoff above is what actually decides the category.
How the Cutoff Has Moved
This is the part most blogs skip, and it is the most important part for your planning.
| Session | Unreserved JRF cutoff |
|---|---|
| June 2025 | 51.50 percent |
| December 2025 | 54.00 percent |
| June 2026 | 66.50 percent |
Look at that jump. The Unreserved JRF cutoff rose by 15 percentage points in a single year. For other categories, the June 2025 JRF figures were OBC 43.75, SC 37.25 and ST 35.75. In December 2025 they were OBC 44.25, SC 36.00 and ST 34.25. In June 2026 they became OBC 58.00, SC 49.50 and ST 44.75.
What does this mean for the December 2026 exam?
Nobody can promise a December 2026 cutoff, and anyone who gives you one number with full confidence is guessing. The cutoff depends on paper difficulty, the number of test takers and the score distribution. What we can say honestly:
- The recent trend is upward.
- The LS and BT merger brings more candidates under one paper, so competition can increase.
- A tougher paper can pull the cutoff down, and an easier paper can push it up.
So plan for a strong score instead of a minimum score. A sensible mock test target for a General category student is 72 to 78 percent in the last month of practice. That is a cushion of roughly five to ten points over the June 2026 cutoff. For reserved categories, set your target about ten marks above the latest category cutoff.
A 60 Day Plan After the CSIR NET December 2026 Notification
The first exam date is 19 December, so you have around 60 days. This is not enough to start from zero, but it is enough to convert a weak preparation into a competitive one if you work with discipline.
Days 1 to 10: Diagnose and fix the plan
- Download the revised LS and BT syllabus and highlight every unit.
- Take one full length mock test and analyse it honestly. Which part cost you the most marks?
- List your weak units. Typically these are Biochemistry pathways, Molecular Biology mechanisms, Cell Signalling, Ecology and Evolution data, and Methods in Biology.
Days 11 to 30: Strengthen Part B and Part A
- Revise one unit every two days, using short notes and previous year questions.
- Practise Part A daily. Numerical ability, data interpretation and logical reasoning can add 25 to 30 marks with very little syllabus load.
- Solve 30 to 40 Part B style questions every day, then review every wrong answer.
Days 31 to 50: Attack Part C
- Practise figure based and experiment based questions every day.
- Learn to read a graph, a gel image or a pathway diagram quickly before looking at the options.
- Write down the logic behind each answer you get wrong. Part C rewards reasoning, not recall.
Days 51 to 60: Mock tests and revision only
- Take a full mock test every second day in the same time slot as your allotted shift.
- Revise formula sheets, pathway summaries and your personal error log.
- Do not start new topics in the last week.
- Sleep properly. Tired students lose more marks to silly mistakes than to lack of knowledge.
Common Mistakes Students Make After the Notification
- Applying late and rushing the form. Small errors in category or subject cause trouble later.
- Trusting old dates. Some pages still show 20 and 21 December.
- Ignoring the revised syllabus. The merger changes the content emphasis.
- Over attempting in Part C. Guessing under negative marking hurts more than it helps.
- Studying without mock tests. Reading a topic is not the same as scoring from it.
- Comparing yourself to others. Your category cutoff is your real target.
Preparing for CSIR NET with Chandu Biology Classes
Chandu Biology Classes was founded by Dr. Chandra Sekhar and is based in Narayanguda, Hyderabad. The institute focuses on postgraduate Life Sciences exams, including CSIR NET, GATE XL, IIT JAM, APPSC and TGPSC JL and DL, and various SET exams. Students attend either online or offline, so you can prepare from any city in India.
Here is why many aspirants choose Chandu Biology Classes for CSIR NET Life Sciences:
- A preparation approach built around all three parts of the paper, with strong stress on Part C application skills
- Concept clarity first, followed by problem practice and revision
- Regular mock tests that follow the real exam pattern
- Guidance on how to use the revised LS and BT syllabus effectively
- Classroom and online options, so working students and students outside Hyderabad are not left behind
Fee structure of Chandu Biology Classes
| Mode | Fee |
|---|---|
| Online | Rs. 25,000 |
| Offline | Rs. 30,000 |
There are no other charges. The fee is transparent, so you know the full cost before you join.
If you are serious about this attempt, contact Chandu Biology Classes now, ask for demo access and meet the faculty before you decide. A preparation plan works best when someone checks your progress every week.
Trending FAQs on CSIR NET December 2026 Notification
1. Is the CSIR NET December 2026 notification out?
Yes. NTA released the notification on 7 October 2026, and online registration started on the same day.
2. What is the last date to apply for CSIR NET December 2026?
The last date to apply and pay the fee without a late fee is 5 November 2026, up to 11:50 PM. A late window runs from 6 to 9 November 2026 with an extra Rs. 500 fee.
3. What are the CSIR NET December 2026 exam dates?
The exam is scheduled for 19, 22 and 27 December 2026 in two shifts. Earlier tentative dates of 20 and 21 December appear on some pages, but the official notification lists the dates above.
4. What is the CSIR NET December 2026 application fee?
It is Rs. 1,150 for General, Rs. 600 for EWS and OBC NCL, and Rs. 325 for SC, ST, PwD and Third Gender candidates.
5. What is the age limit for CSIR NET JRF in December 2026?
The upper age limit is 30 years as on 1 December 2026, with relaxation for eligible categories. There is no upper age limit for Assistant Professor eligibility or PhD admission.
6. What is the new Life Sciences and Biotechnology paper?
From December 2026, the DBT BET is merged with CSIR NET Life Sciences. The new discipline is called LS and BT, and candidates apply once, pay one fee and write one exam.
7. What was the CSIR NET Life Sciences cutoff in June 2026?
For JRF, the cutoff was 66.500 for Unreserved, 59.250 for EWS, 58.000 for OBC, 49.500 for SC, 44.750 for ST and 30.750 for PwD.
8. How many marks are needed for JRF in CSIR NET Life Sciences?
Based on the June 2026 Unreserved cutoff of 66.5 percent, you would need roughly 133 marks out of 200. Your required marks depend on your category and on the cutoff of your session.
9. Will the December 2026 cutoff be higher or lower?
No one can say for certain. The recent trend has been upward and the merger adds more candidates, but paper difficulty also matters. Prepare for a high score instead of a minimum one.
10. Is there negative marking in CSIR NET Life Sciences?
Yes. For Life Sciences it is 0.5 marks in Parts A and B, and 1 mark in Part C for each wrong answer.
11. Is 60 days enough to prepare for the December 2026 exam?
It is enough if you already know the basics. You should revise the syllabus in a planned way, practise Part C daily and take regular mock tests.
12. What is the stipend for CSIR NET JRF?
Reports mention Rs. 37,000 per month for the first two years, followed by a revised amount after the candidate is upgraded to Senior Research Fellow.
13. Which coaching is best for CSIR NET Life Sciences preparation?
Choose a place that teaches concepts, trains you for Part C and gives regular mock tests. Chandu Biology Classes offers online mode at Rs. 25,000 and offline mode at Rs. 30,000, with no other charges.
14. Can final year MSc students apply?
Yes, students who are appearing for their final year examination or waiting for results can apply, provided they complete the degree with the required marks within the prescribed time.
15. Where can I check the official information bulletin?
On the official NTA portal for CSIR NET. Always read the bulletin fully before submitting your form.
Final Words
The CSIR NET December 2026 notification has opened a very important window for every Life Sciences student. The dates are clear, the fee is clear, and the real cutoff from June 2026 tells you exactly how high the bar has moved. With the LS and BT merger, this cycle is also different from every earlier one.
Apply early, study the revised syllabus, build your Part C skills and take mock tests that match the real exam. If you want guided preparation from Narayanguda, Hyderabad or from your own home through online mode, Chandu Biology Classes is ready to support your attempt.
Your JRF is not decided on exam day alone. It is decided by the 60 days you use well from today.
Disclaimer: All the information in this article, including dates, fees, eligibility and cutoff figures, has been collected from publicly available sources on the internet and is shared for general guidance only. We do not claim it to be the official notification, and we are not responsible for any change, error or omission. Candidates must verify every detail on the official NTA and CSIR websites and in the official information bulletin before applying or making any decision.
