TIFR GS 2027: Dates, Application Form & Eligibility

TIFR GS 2027 is also known as the Tata Institute of Fundamental Research Graduate School 2027. This entrance exam is conducted by TIFR Hyderabad at the national level once a year. The exam offers admission to PhD and Integrated M.Sc.-PhD Degree Programmes in the fields of Mathematics, Physics, Chemistry, Biology, Computer & Systems Sciences and Science Education. TIFR (Tata Institute of Fundamental Research) is one of India’s most prestigious research institutions, offering world-class education in science and fundamental research. Candidates who qualify the nationwide entrance examination are called for the interview round, after which final shortlisting is done. Interested candidates can go through the following article for detailed information regarding TIFR GS 2027 admissions, including important dates, eligibility criteria, exam pattern, syllabus, application form and participating institutes.

TIFR GS 2027 is an entrance exam for admission to PhD programmes in the areas of Mathematics, Physics, Chemistry, Biology and Computer Science at the Tata Institute of Fundamental Research (TIFR). The exam is conducted as a computer-based test (CBT) in multiple sessions at different centres across India. Candidates are advised to check the official website regularly for the latest notifications related to the TIFR GS 2027 application form, admit card and exam schedule.

Disclaimer: All 2027 dates given below are indicative/expected unless explicitly marked "confirmed (official)". Candidates must verify all details from the official TIFR GS notification at gsadmissions.tifr.res.in before applying.

TIFR GS 2027 Key Highlights

TIFR GS 2027 — Quick Reference

Detail	Information
Exam Name	TIFR GS 2027
Full Name	Tata Institute of Fundamental Research Graduate School
Conducting Body	TIFR Hyderabad (on behalf of TIFR)
Level	National
Mode of Exam	Computer-Based Test (CBT)
Frequency	Once a year
Programmes Offered	PhD and Integrated M.Sc.-PhD
Subjects	Mathematics, Physics, Chemistry, Biology, Computer & Systems Sciences, Science Education
Application Form Start (expected)	Early January 2027
Last Date to Apply (expected)	Early February 2027
Entrance Exam Date (expected)	Early March 2027
Result / Shortlist (expected)	Late March 2027
Interviews (expected)	May – June 2027
Official Website	gsadmissions.tifr.res.in

TIFR GS 2027 Status

The application form for TIFR GS 2027 is expected to be released online in early January 2027 on the official website. Based on the pattern of previous cycles, the last date to apply is expected to fall in early February 2027, the entrance examination is expected to be held in early March 2027, and the shortlist for interviews is expected to be released in late March 2027. All dates are tentative until the official notification is published by TIFR Hyderabad.

TIFR GS 2027 — Expected Important Dates (Quick View)

Event	Expected Date (2027 cycle)
Release of application form	Early January 2027 (expected)
Last date of application	Early February 2027 (expected)
Release of admit card	Late February 2027 (expected)
Entrance exam	Early March 2027 (expected)
Declaration of results / shortlist	Late March 2027 (expected)
Interviews	May – June 2027 (expected)

TIFR GS 2027 Important Dates

The important dates of the TIFR GS 2027 exam are given below. All dates are tentative and based on the schedule followed in the previous (2023) cycle. The official notification will confirm exact dates.

TIFR GS 2027 Detailed Schedule (Expected)

Event	Expected Dates (Tentative — 2027 cycle)
Application Form Start	First week of January 2027 (expected)
GATE score-based applications for Systems Science (including Communications and Applied Probability)	Opens: Late January 2027 (expected) | Closes: To be announced
Last date for application	First week of February 2027 (expected)
Release of admit card	Last week of February 2027 (expected)
Entrance Exam	First week of March 2027 (expected)
Results of nationwide entrance examination (shortlist for interviews)	Third week of March 2027 (expected)

Interview Schedule for TIFR GS 2027 — Mumbai (Expected)

TIFR GS 2027 Interview Schedule (Tentative, based on 2023 pattern)

Subject	Mode of Interview	Tentative Dates (2027)
DBS, Biology, I-PhD/M.Sc.	Online / In-person (to be announced)	Late May – Early June 2027 (expected)
DBS, Biology, PhD	Online / In-person (to be announced)	Early June 2027 (expected)
Chemistry	Online / In-person (to be announced)	Late May – Early June 2027 (expected)
Mathematics	To be announced	Early May 2027 (expected)
Computer & Systems Sciences	Online / In-person (to be announced)	Mid-June 2027 (expected)
Physics	Online / In-person (to be announced)	June 2027 (expected)

TIFR GS 2027 Analytics & Key Statistics

The following table provides a reference overview of TIFR GS participation and selection trends based on publicly available information from previous cycles. Figures are approximate where exact official data is unavailable; they are intended to give aspirants a sense of competition and selection ratios.

TIFR GS — Participation & Selection Trends (Previous Years, Approximate)

Parameter	Approx. Figure / Trend	Remarks
Approximate registered applicants (annual)	~8,000–12,000 (approx.)	Across all subjects; varies by year
Subjects available	6	Mathematics, Physics, Chemistry, Biology, CS, Science Education
Exam mode	Computer-Based Test (CBT)	Held at centres across India
Exam duration	3 hours	For most subjects
Difficulty level	High	Questions at BSc/MSc level; conceptual and analytical
Selection stages	2 (written test + interview)	Written shortlist leads to centre-level interviews
Negative marking	Applicable (Physics, Chemistry, CS)	1 mark deducted per wrong answer in MCQ section
PhD monthly stipend (previous cycle)	Rs. 25,000 (initial); Rs. 28,000 (post-registration)	Subject to revision; verify from official notification
Integrated PhD monthly stipend (previous cycle, Year 1)	Rs. 16,000	Increases from Year 2; subject to revision

Note: Precise seat intake, cut-off marks and selected-candidate counts are not officially published in consolidated form. Candidates are advised to contact individual TIFR centres directly for seat availability information.

TIFR GS 2027 Knowledge Graph

TIFR GS 2027 — Knowledge Graph

Exam Full Name	Tata Institute of Fundamental Research Graduate School Examination
Acronym	TIFR GS
Conducting Body	TIFR Hyderabad (on behalf of TIFR, Mumbai)
Parent Institution	Tata Institute of Fundamental Research (TIFR), Mumbai
Ministry / Oversight	Department of Atomic Energy (DAE), Government of India
Exam Level	National
Frequency	Once a year
Mode	Computer-Based Test (CBT)
Exam Duration	3 hours (most subjects)
Medium / Language	English
Programmes Offered	PhD; Integrated M.Sc.-PhD; M.Sc. (Biology — NCBS)
Subjects	Mathematics, Physics, Chemistry, Biology, Computer & Systems Sciences, Science Education
Official Website	gsadmissions.tifr.res.in
TIFR Main Website	www.tifr.res.in

TIFR GS 2027 Result

The Tata Institute of Fundamental Research releases the result for TIFR GS 2027 on the official website. Based on the previous cycle, results are expected in the third or fourth week of March 2027.

• The TIFR GS result is made available in the form of a merit list.
• It consists of the serial number, application form number, title, name and programme applied for.
• All qualified candidates need to submit the application form, which is further used by the Centres/Institutions to shortlist candidates for on-campus or online interviews.
• Thereafter, call letters/offer letters are issued to selected examinees.

TIFR GS 2027 Counselling

The vital information regarding TIFR GS counselling is given below.

• Counselling for admissions will be conducted for aspirants who are shortlisted in their respective subject channels.
• Seat allotment will be based on factors such as the number of seats available, the rank of the candidate and the preferences filled.
• Counselling will be conducted on the same days for each mode of admission.
• Candidates placed higher in the TIFR GS merit rank will be given more preference during the counselling process.

Documents Required at the Time of Counselling

Candidates need to produce the following original documents along with photocopies at the time of admission, after clearing the entrance examination:

1. TC (Transfer Certificate).
2. 10th / High School Certificate or equivalent.
3. 12th (Intermediate / +2) Certificate or equivalent.
4. Migration Certificate.
5. Mark sheet of 10th / High School Certificate or equivalent.
6. Mark sheets of 12th (Intermediate / +2) Certificate or equivalent.
7. Mark sheet of the qualifying examination.

Courses Offered Through TIFR GS 2027

The detailed information on courses offered through TIFR GS 2027 is given below.

Tata Institute of Fundamental Research Graduate School — Courses 2027

Name of Subject	Name of Programme	Offered At
Mathematics	PhD and Integrated M.Sc.-PhD Programmes	1) School of Mathematics, TIFR Mumbai 2) Centre for Applicable Mathematics (CAM), Bengaluru 3) International Centre for Theoretical Sciences (ICTS), Bengaluru (PhD programme only)
Physics	PhD and Integrated M.Sc.-PhD Programmes	1) Department of Astronomy & Astrophysics 2) Department of Condensed Matter Physics & Materials Science 3) Department of High Energy Physics 4) Department of Nuclear & Atomic Physics 5) Department of Theoretical Physics 6) National Centre for Radio Astrophysics (NCRA), Pune 7) TIFR Centre for Interdisciplinary Sciences (TCIS), Hyderabad 8) International Centre for Theoretical Sciences (ICTS), Bengaluru
Chemistry	PhD and Integrated M.Sc.-PhD Programmes	1) Department of Chemical Sciences, TIFR, Mumbai 2) TIFR Centre for Interdisciplinary Sciences (TCIS), Hyderabad
Biology	PhD, Integrated M.Sc.-PhD and M.Sc. Programmes	1) Department of Biological Sciences, TIFR, Mumbai 2) National Centre for Biological Sciences (NCBS), Bengaluru — PhD, Integrated M.Sc.-PhD and M.Sc. (Wildlife Biology & Conservation) 3) TIFR Centre for Interdisciplinary Sciences (TCIS), Hyderabad — PhD and Integrated M.Sc.-PhD only
Computer & Systems Sciences (including Communications and Applied Probability)	PhD Programme only	School of Technology & Computer Science (STCS), TIFR, Mumbai
Science Education	PhD Programme	Homi Bhabha Centre for Science Education (HBCSE), Mumbai

Stipend for Students Pursuing PhD from TIFR

A monthly stipend is provided to candidates pursuing their degree from TIFR. The following figures are from the previous cycle and may be revised for 2027 — candidates must verify the current stipend structure from the official notification:

• PhD: Students receive a monthly scholarship of Rs. 25,000/- (increased to Rs. 28,000/- after registration) and an annual contingency grant of Rs. 32,000/-.
• Integrated PhD: Students receive a monthly scholarship of Rs. 16,000/- in the first year, increasing to Rs. 25,000/- from the second year onwards (further increased to Rs. 28,000/- after registration), with an annual contingency grant of Rs. 20,000/- (increased to Rs. 32,000/- from the second year).

TIFR GS 2027 Application Form

The detailed information regarding the TIFR GS 2027 application form is given below.

• The application form for TIFR GS 2027 is expected to be released online in early January 2027 on the official website.
• Applications will be accepted through online mode only; no offline application form will be released by the conducting body.
• Candidates must fill a separate application form for each subject they wish to apply for.
• Multiple application forms submitted by a single candidate for the same subject will be rejected by the conducting body.
• Applicants must fill the form carefully because the conducting body does not provide any correction window.

TIFR GS 2027 Application Fee

The application fee structure for TIFR GS is given below. Candidates should verify the exact fee from the official 2027 notification, as fees may be revised.

TIFR GS Application Fee (Previous Cycle Reference)

Gender	Application Fee
Male	Rs. 900/- (previous cycle; subject to revision)
Female	Rs. 300/- (previous cycle; subject to revision)

Mode of Payment: Candidates can pay the application fee through online mode only, via Internet Banking, Debit Card or Credit Card.

NOTE: No refund of application fee will be entertained by the conducting body under any circumstances.

How to Apply for TIFR GS 2027?

The procedure for filling the TIFR GS 2027 application form is given below.

• Visit the official website at gsadmissions.tifr.res.in.
• Select the Notifications link on the official website to check for the latest TIFR GS 2027 notification.
• Register by clicking on the Admissions link on the homepage of the website.
• Fill the online application form with all necessary personal and academic details.
• Enter all details such as name, date of birth and other required information correctly and as per supporting documents.
• Upload a thumb impression, signature, photograph and other applicable documents online in the specified quality and size.
• Pay the application fee online as described above.
• After payment is completed, review the application form thoroughly and submit it.

TIFR GS 2027 Eligibility Criteria

The following are the eligibility criteria for TIFR GS 2027. Candidates are strongly advised to read the official notification for subject-specific and programme-specific requirements before applying.

• The candidate must have passed 12th standard with a minimum of 50% marks in Physics, Chemistry and Mathematics.
• The candidate must hold a bachelor’s degree in a relevant discipline from a recognised university.

The detailed eligibility criteria for TIFR GS 2027 are given below.

• Nationality: The candidate should be an Indian national. Foreign nationals may also apply; details are available in the official prospectus.
• Educational Qualification: The candidate must have cleared their 12th standard from a recognised board.
• Marks Required: Aspirants must have secured at least 60% aggregate marks in their qualifying examination.
• Mandatory Subjects: The candidate must have studied Physics, Mathematics and English at the 10+2 level.
• Age Limit: There is no upper or lower age limit for the TIFR GS examination.
• Programme-specific eligibility criteria are as follows:
  • PhD: Candidates must have completed M.Sc. (Physics) / B.Tech. or B.E. (Engineering Physics) / B.E. / B.Tech. / M.Tech. or an equivalent science, engineering or medical degree with a minimum of four years of university training.
  • Integrated M.Sc.-PhD: Candidates must have completed B.Sc. / B.E. / B.Tech. / B.Pharm. or an equivalent science, engineering or medical degree; or M.Sc. (other than Physics) / M.Tech. / M.Pharm. / MBBS or an equivalent science, engineering or medical master’s degree.

TIFR GS 2027 Exam Pattern

The detailed information regarding the TIFR GS 2027 exam pattern is given below. The pattern is based on previous cycles; any changes will be communicated in the official 2027 notification.

TIFR GS Exam Pattern for Mathematics

Duration	3 hours
Type of Questions	Objective-type MCQ and True/False questions
Number of Questions	20 True/False and 20 MCQs
Standard of the Test	B.Sc. course in Mathematics

TIFR GS Exam Pattern for Physics

Type of Questions	Objective-type MCQ
Standard of the Questions	Undergraduate and Masters levels at an Indian university
Marking Scheme	3 marks for each MCQ; 5 marks for Numerical and Symbolic questions
Negative Marking	1 mark deducted per incorrect answer in the MCQ section

TIFR GS Exam Pattern for Chemistry

Type of Questions	Objective-type MCQ
Number of Questions	40
Duration	3 hours
Marking Scheme	3 marks awarded for each correct answer
Negative Marking	1 mark deducted for each incorrect answer

TIFR GS Exam Pattern for Biology

Type of Questions	Objective-type MCQ
Standard of the Test	Mathematics, Physics, Chemistry and Biology at undergraduate level

TIFR GS Exam Pattern for Computer & Systems Sciences

Section	Three-part paper
Duration of the Exam	3 hours
Type of Questions	MCQ
Negative Marking	1 mark deducted for each incorrect attempt

TIFR GS 2027 Syllabus

The detailed information regarding the TIFR GS 2027 syllabus is given below. Candidates preparing for the TIFR GS written test should pay special attention to conceptual understanding at the BSc and MSc level, as the exam is known for testing analytical and problem-solving ability rather than rote knowledge.

TIFR GS 2027 Syllabus for Mathematics

• Algebra: Definitions and examples of groups (finite and infinite, commutative and non-commutative), cyclic groups, subgroups, homomorphisms, quotients. Definitions and examples of rings and fields. Basic facts about vector spaces, matrices, determinants, ranks of linear transformations, characteristic and minimal polynomials, symmetric matrices. Integers and their basic properties. Inner products, positive definiteness.
• Analysis: Basic facts about real and complex numbers, convergence of sequences and series of real and complex numbers, continuity, differentiability and Riemann integration of real-valued functions defined on an interval (finite or infinite), elementary functions (polynomial functions, rational functions, exponential and logarithm, trigonometric functions), sequences and series of functions and their different types of convergence, ordinary differential equations.
• Geometry/Topology: Elementary geometric properties of common shapes and figures in 2- and 3-dimensional Euclidean spaces (e.g., triangles, circles, discs, spheres). Plane analytic geometry (coordinate geometry) and trigonometry. Definition and basic properties of metric spaces, examples of subsets of Euclidean spaces (of any dimension), connectedness, compactness. Convergence in metric spaces, continuity of functions between metric spaces.
• General: Pigeonhole principle (box principle), induction, elementary properties of divisibility, elementary combinatorics (permutations and combinations, binomial coefficients), elementary probability theory, elementary reasoning with graphs.

TIFR GS 2027 Syllabus for Physics

The questions in the written test (multiple-choice type) and the interview are distributed over the following areas:

• Classical Mechanics
• Mathematics relevant to Physics
• Electricity and Magnetism
• Quantum Mechanics
• Heat, Thermodynamics and Statistical Physics
• General Physics
• Modern Physics
• Electronics and Experimental Physics

TIFR GS 2027 Syllabus for Chemistry

The syllabus for the written test in Chemistry is similar to the standard syllabus followed in Indian universities for BSc and MSc degree courses. Questions are asked in the areas of physical, organic, inorganic, analytical, electrochemistry and quantum chemistry, biophysics, thermodynamics, spectroscopy (NMR, fluorescence, IR, UV and X-ray), logic and statistics, and mathematical methods.

TIFR GS 2027 Syllabus for Computer & Systems Sciences

• Discrete Mathematics: Sets and relations, combinatorics (counting) and elementary probability theory, graph theory, propositional and predicate logic.
• Formal Languages, Automata Theory and Computability.
• Data Structures and Algorithms: Arrays, lists and trees, sorting and searching, graph algorithms, complexity of problems and NP-completeness.
• Fundamentals of Programming Languages and Compilers: Control structures, parameter-passing mechanisms, recursion, parsing and type checking, memory management.
• Operating Systems and Concurrency.
• Switching Theory and Digital Circuits.
• Theory of Databases.

The topics under Systems Science are as follows:

• Engineering Mathematics: Complex analysis, linear algebra, elementary numerical analysis, basic optimisation theory and algorithms, introduction to probability theory and statistics.
• Electrical and Computer Sciences: Introduction to signals and linear systems analysis, control systems, digital signal processing, basic circuit theory, introduction to digital communications, digital computer fundamentals, introduction to computer programming.

TIFR GS 2027 Preparation Tips

Applicants can refer to the following tips on how to prepare effectively for the TIFR GS 2027 entrance examination.

• Solve previous years’ TIFR GS question papers to understand the pattern, difficulty level and frequently tested concepts.
• Revise NCERT textbooks thoroughly, as foundational concepts are heavily tested.
• Maintain a separate formula book for Mathematics, Physics and Chemistry for quick revision.
• Candidates can use the IIT JAM syllabus as an additional guide for subject coverage in TIFR GS preparation.
• Focus on conceptual clarity and analytical problem-solving rather than memorisation, as the exam emphasises application of knowledge.

TIFR GS 2027 Admit Card

The detailed information regarding the TIFR GS 2027 admit card is given below. Based on the previous cycle, the admit card is expected to be released in the last week of February 2027.

• The admit card will be released through online mode on the official website.
• To download the admit card, candidates must log in using their user ID and password.
• The admit card is a mandatory document that must be carried on the day of the test; candidates without a valid admit card will not be permitted to sit the exam.
• The admit card will contain the candidate’s personal details as well as exam details such as the date of the test, reporting timings and the address of the test centre.

TIFR GS 2027 Examination Centres

The list of examination centres for TIFR GS 2027 is expected to be similar to previous cycles, subject to changes announced in the official notification. The centres listed below are based on the previous cycle for reference.

TIFR GS Examination Centres (Previous Cycle Reference)

Examination Centre	Location
St. Xavier’s College	Ahmedabad
Punjab University	Chandigarh
University of Agricultural Sciences	Bhubaneswar
Indian Institute of Technology	Chennai
Kendriya Vidyalaya (JNU Old Campus)	New Delhi
Cochin University of Science & Technology	Kochi
SGTB Khalsa College	New Delhi
Kendriya Vidyalaya (Pragati Vihar)	New Delhi
Indian Institute of Technology	Guwahati
Kendriya Vidyalaya (R.K. Puram)	New Delhi
Indira Priyadarshini Government Girls P.G. College of Commerce	Haldwani
University of Hyderabad	Hyderabad
India International School	Jaipur
Devi Ahilya Vishwavidyalaya	Indore
Kendriya Vidyalaya (Salt Lake)	Kolkata
Jammu University	Jammu
Kendriya Vidyalaya (Fort William)	Kolkata
Indian Institute of Technology	Kanpur
South Calcutta Girls’ College	Kolkata
Basanti Devi College	Kolkata
The Madura College	Madurai
University College, Hampanakatta	Mangalore
Kendriya Vidyalaya No. 1, Colaba	Mumbai
Dr D.Y. Patil Pushpalata Patil International School	Patna
Shri Ramdeo Baba Kamla Nehru Engineering College	Nagpur
Loyola High School and Junior College	Pune
Banaras Hindu University	Varanasi
GITAM Institute of Science	Visakhapatnam

Participating Institutes under TIFR GS 2027

Mathematics (PhD & Integrated M.Sc.-PhD Programmes)

S.No.	Centre Name	Location	Website
1.	School of Mathematics, TIFR	Mumbai	www.math.tifr.res.in
2.	Centre for Applicable Mathematics (CAM)	Bengaluru	math.tifrbng.res.in
3.	International Centre for Theoretical Sciences (ICTS) (PhD only)	Bengaluru	www.icts.res.in

Physics (PhD & Integrated M.Sc.-PhD Programmes)

S.No.	Centre Name	Location	Website
1.	National Centre for Radio Astrophysics (NCRA)	Pune	www.ncra.tifr.res.in
2.	TIFR Centre for Interdisciplinary Sciences (TCIS)	Hyderabad	www.tifrh.res.in
3.	International Centre for Theoretical Sciences (ICTS) (PhD only)	Bengaluru	www.icts.res.in
4.	TIFR	Mumbai	www.tifr.res.in

NOTE: In addition to admissions through the nationwide entrance examination, some admissions in Physics based on GATE / NET / JEST scores are also possible. Candidates should check the official notification for details on GATE-score-based admissions for TIFR GS 2027.

Chemistry (PhD and Integrated M.Sc.-PhD Programmes)

S.No.	Centre Name	Location	Website
1.	Department of Chemical Sciences, TIFR	Mumbai	www.tifr.res.in
2.	TIFR Centre for Interdisciplinary Sciences (TCIS)	Hyderabad	www.tifrh.res.in

Biology (PhD, Integrated M.Sc.-PhD & M.Sc. Programmes)

S.No.	Centre Name	Location	Website
1.	Department of Biological Sciences, TIFR	Mumbai	www.tifr.res.in
2.	National Centre for Biological Sciences (NCBS)	Bengaluru	www.ncbs.res.in
3.	TIFR Centre for Interdisciplinary Sciences (TCIS)	Hyderabad	www.tifrh.res.in

Computer & Systems Sciences (PhD programme including Communications and Applied Probability)

S.No.	Centre Name	Location	Website
1.	School of Technology & Computer Science (STCS), TIFR	Mumbai	www.tifr.res.in

Science Education (PhD Programme)

S.No.	Centre Name	Location	Website
1.	Homi Bhabha Centre for Science Education (HBCSE)	Mumbai	www.hbcse.tifr.res.in

TIFR GS 2027 Highlights

The key details regarding TIFR GS 2027 are summarised below.

TIFR GS Basic Details 2027

Exam Name	TIFR GS
Full Name	Tata Institute of Fundamental Research Graduate School
Conducting Body	TIFR Hyderabad
Level	National
Programmes Offered	PhD and Integrated M.Sc.-PhD Degree Programmes
Official Website	gsadmissions.tifr.res.in

Official Sources

• https://gsadmissions.tifr.res.in/ — Official TIFR GS Admissions Portal
• https://www.tifr.res.in/ — TIFR Main Website
• https://www.tifrh.res.in/ — TIFR Hyderabad (TCIS)
• https://www.ncbs.res.in/ — National Centre for Biological Sciences, Bengaluru
• https://www.ncra.tifr.res.in/ — National Centre for Radio Astrophysics, Pune
• https://www.icts.res.in/ — International Centre for Theoretical Sciences, Bengaluru
• https://www.hbcse.tifr.res.in/ — Homi Bhabha Centre for Science Education, Mumbai

Conclusion

TIFR GS 2027 is one of India’s most prestigious research-admission examinations, offering entry to PhD and Integrated M.Sc.-PhD programmes in Mathematics, Physics, Chemistry, Biology, Computer & Systems Sciences and Science Education across TIFR’s premier campuses. Aspirants should begin their preparation early, focussing on BSc- and MSc-level concepts, solving previous years’ papers and tracking the official portal. The application form is expected in January 2027 and the entrance exam in March 2027 — always verify the confirmed dates from the official TIFR GS notification at gsadmissions.tifr.res.in before submitting your application.