IIT Delhi PhD Admission 2025-26: Crucial Dates & Eligibility – Apply Now!

IIT Delhi PhD Admission 2025-26: Indian Institute of Technology Delhi is one of the seven older established Institutes of Technology in India, created as a centre of excellence for higher training, research, and development in science, engineering, and technology. Established as a College of Engineering in 1961, the Institute in Delhi was declared an Institute of National Importance under the “Institutes of Technology (Amendment) Act, 1963” and renamed “Indian Institute of Technology Delhi”. It was then accorded the status of a University with powers to decide its own academic policy, to conduct its own examinations, and to award its own degrees. The Institute offers undergraduate and postgraduate programmes through its Departments, Centres, and Schools. The candidates selected for admission live in pleasant surroundings of an intellectually stimulating campus, use the most modern equipment and laboratory facilities available, and go through the specialized courses designed to meet the challenges of the future.

1. Important Dates for IIT Delhi PhD Admission 2025-26

2. Ph.D. Programmes and Admission to the Ph.D. Programmes

The award of the Ph.D. degree is in recognition of independent research, application of scientific knowledge to the solution of technical and scientific problems and high achievements. Creative and productive inquiry is the basic concept underlying research work. The details of research programmes in various Departments/ Centres/ Schools are given in Annexure I.

Admission to the Ph.D. Programmes

Admission to the Ph.D. programmes is normally made on the basis of an interview of eligible candidates conducted by the Department/Centre/School concerned, through its Department Research Committee (DRC) / Centre Research Committee (CRC)/ School Research Committee (SCRC). DRC/CRC/ScRC may decide to conduct a written test as well, or multiple interviews, or other ways of testing, in order to screen the candidates. Applications are invited from candidates by advertising the programmes in Employment News/web portals in March for the first semester and in October for the second semester, every year.

3. IIT Delhi PhD Admission 2025-26 Schedule Details

Normally, Ph.D. programmes are advertised in the month of March and October each year, and test/interviews are carried out in the months of May and December. Further, admission to the Ph.D. programme is possible at any time of the year with the application being processed and candidates interviewed by the respective DRC/CRC/SCRC. Ph.D. scholars can join the Institute at any time of the year, though the course registration will be possible only at the beginning of the subsequent semester. Such candidates must also fulfill the required academic qualification / experience at the time of the interview. They must join the Institute within 4 weeks after the issue of admission offer unless specifically permitted otherwise. Admission is subject to the vacancy being available in the relevant specializations.

4. Duration of the Programmes

Minimum period of registration required for students with M.Tech. or equivalent qualifications is 2 years whereas those with B. Tech. or equivalent qualifications is 3 years. All candidates are allowed a maximum of 7 years for submission of their thesis.

5. Course Work and other Academic Requirements for PhD

Breadth and depth of training pre-doctoral courses are offered by each Department/ Centre/ School.

• Normally, candidates having a B. Tech./ M.Sc./ M.A., or equivalent degree are required to complete a minimum of 12 or 20 credits (depending on the programme) with a minimum required DGPA of 7.50 and CGPA of 7.00.
• M. Tech. or equivalent degree holders are required to complete a minimum of 6 credits with a minimum required DGPA of 7.50 and CGPA of 7.00.

6. Minimum Qualifications for Admission to Full-time IIT Delhi PhD Admission 2025-26

Table 1 defines the minimum qualifications required for admission to full-time Ph. D. programmes at IIT Delhi.

Exemptions, Relaxations and Clarifications:

1. For SC/ST/PwD category candidates, the minimum performance in the qualifying degree (Sr. No. 1 & 2 in Table 1) is relaxed from 60% to 55% (CGPA relaxed from 6.00 to 5.50).
2. For SC/ST/PwD category candidates, the minimum performance in the qualifying degree (Sr. No. 3 in Table 1) is relaxed from 70% to 65% (CGPA relaxed from 7.00 to 6.50).
3. Qualifying degree performance is computed by aggregating performance over all the semesters/years of the qualifying degree, as per the credit or weightage system approved in the institution / board where the degree has been completed.
4. Requirement of qualification in GATE / National Exam is waived for the following categories of applicants:
   • Currently registered students in Centrally Funded Technical Institutes (CFTIs) pursuing B. Tech./B.E./ four-year B.S. (in person)/Integrated M. Tech/ Integrated M. Sc. Programmes (or any other programme of minimum four year duration, admission to which is on the basis of JEE), who are in final semester/year and have CGPA of 8.00 or above (on a 10 point scale). Such students must obtain a CGPA of 8.00 or above at the time of graduation, and before they formally register for the Ph.D. programme (80% aggregate marks, if marks are the primary mode of evaluation);
   • Graduates of CFTIs (in the programmes marked under (i)) with a final graduation CGPA of more than 8.00 (80% aggregate marks, if marks are the primary mode of evaluation);
   • M.A or M.Sc. graduates from IITs with CGPA 8.00 or above.
5. For assistantship purposes only (and not for qualification), candidates with M.B.B.S. qualification will be considered equivalent to M. Tech., for admission to Ph.D. programme in Centre for Biomedical Engineering.
6. Candidates holding an MBA degree are eligible to apply to the Ph.D. programme in the Department of Management Studies.

7. Minimum Qualifications for Admission to Part-time and Sponsored (full-time) IIT Delhi PhD Admission 2025-26

The following eligibility conditions apply for Part-time and full-time sponsored programmes:

• Only employees of Public Sector Undertakings or Government Departments or Research and Development Organizations or Private Industries (approved by Faculty Boards) are eligible for admission to these programmes.
• The minimum full-time experience required after obtaining the qualifying degree and as on date of registration, is given below in Table 2:

8. RESERVATION OF SEATS (Where GoI Rules apply)

Admission of candidates belonging to SC/ST/OBC (Non-Creamy Layer)/PwD/EWS categories is made according to the rules of the Government of India.

9. GENERAL GUIDELINES

The following detailed guidelines apply to various applicant categories, ensuring a smooth application process for the IIT Delhi PhD Admission 2025-26:

1. Sponsored (full-time) candidates seeking admission to a M.S.(R) programme on the basis of study leave, must submit a “Sponsorship certificate” on a proper letterhead from the appropriate authority in the organization clearly stating the following: a. for the period of his/her studies in the programme, the candidate would be treated as on duty with usual salary and allowances, and b. that he/she will be fully relieved and granted study leave for a minimum period of 2 years.
2. Part-time candidates are required to submit a “No Objection Certificate” on a proper letterhead from the appropriate authority in the organization, clearly stating the following: – the candidate is permitted to pursue studies on a part-time basis – that his/her official duties permit him/her to devote sufficient time for studies – that he/she will not be transferred to any other place during the period of study.

10. APPLICATION PROCEDURE & IMPORTANT INSTRUCTIONS FOR FILLING APPLICATION FORM

Application Procedure

• The applications will be scrutinized by the Department/Centre/School concerned.
• The exact date for the test/interview, wherever applicable, will be communicated by the Department/Centre/School.
• For selection result and operation of waiting list please contact the concerned Deptt./Centre/School.

Important Instructions for Filling Application Form

1. Separate application form should be filled for Ph.D. programme for each Department/Centre/School.
2. Separate application form should be filled for each M.S.(R) programme for each Department/Centre/School.
3. Part-time/Sponsored (full-time) candidates must submit NOC/Sponsorship Certificate from their employer at the time of interview.
4. Filling false information will lead to rejection of application/cancellation of admission.
5. The application fee is not refundable in any case. Please fill in the form carefully. It may be noted that no change can be made after the form is submitted. Further, no request for any change in the form will be entertained.
6. Fill in the programme code at the appropriate place in the Application Form. The Ph.D. programme codes are given in Annexure-I and M.S.(R) programme codes are given in Annexure-II.
7. If you find any difficulty in completing your application, please see Frequently Asked Questions (FAQ).

11. HOSTEL ACCOMMODATION

IIT Delhi campus has a total of 12 male hostels, 4 female hostels and 1 transit accommodation (for females) to accommodate its undergraduate and post-graduate (including PhD scholars) full-time students (13 old, non A/C hostels & 3 new, A/C hostels). With a student population of ~13000, only ~7000 hostel seats are available (several on sharing basis only; please see the following link – Hostel Accommodation Policy).

Only a limited number of students can be accommodated on campus, mostly on a sharing basis. Allotment of seats in hostels is based on a clearly defined institute policy. All female, international and differently abled students are offered hostel accommodation (mostly on a sharing basis). Male PG students (non-MSc) may be offered hostel accommodation on sharing.

12. REGISTRATION FOR COURSES

Registration for courses takes place on the date specified in the Important Dates section. New students must attend the Orientation and Registration on January 01, 2026.

13. FEES AND PAYMENTS: Institute Dues Payable by 2025 Entry Ph.D. Students

The exact amount of fees and mode of payment will be indicated in the offer of admission. *Other charges include one time charges at the time of admission in addition to per semester charges.

14. MESS DUES PAYABLE BY 2025 ENTRY STUDENTS

The following are the Mess Dues for 2025 Entry Students. Hostel Mess Charges include food, kitchen consumables, human resources, IGL and associated costs.

For more information, please visit IIT Delhi Hall of Residence website.

15. FINANCIAL ASSISTANCE AND OTHER SUPPORT for IIT Delhi PhD Admission 2025-26

A scheme for the award of Teaching/Research Assistantship for providing financial assistance to students exists. Students joining the Ph.D. Programme are normally considered for the award of Teaching Assistantship (TA). Candidates meeting the academic qualifications for admission as full-time students with Institute assistantship are also entitled to apply for these. For more information on the availability of such scholarships in your area, please contact your respective Department/Centre/School.

In exceptional cases with the approval of the Chairperson, Senate, Sponsored (Fulltime) candidates employed in CSIR/DRDO/PSUs may also be offered assistantship provided they have qualified either GATE or any other national level examination like CSIR/UGC NET/ICAR etc. and fulfill the requirement for award of assistantship and their employer has no objection to the same.

Other conditions and benefits:

• Institute provides seed money of Rs. 20,000/- once during the program as partial financial assistance for presenting papers abroad in good academic conferences.
• All full time (and part-time on IRD/ FITT Projects) Research Scholars are also eligible for additional financial assistance of Rs. 1,80,000/- as Research Scholar Travel Award (RSTA).
• Some highly meritorious Research Scholars are also eligible for an additional travel grant of Rs. 2,00,000/- as Research Excellence Travel Award (RETA).
• Institute is in the process of formalizing a number of agreements with leading foreign institutions or agencies for supporting up to 6 months long research visits by Ph.D. students. This would enable interested students with the consent of their supervisor and DRC/CRC/ScRC to undertake a research visit which would increase his/her exposure while adding value to his/her work.
• It is expected that all assistantship holders will have good general physique. He/She will have to produce on the date of Central Registration, a certificate to that effect in the prescribed format. A copy of the format would be given along with the admission offer letter. The admission is subject to his/her being found medically fit.

16. Annexure-I: Research Programmes: Department and Research Area for IIT Delhi PhD Admission 2025-26

The IIT Delhi PhD Admission 2025-26 is offered in the following departments, centres, and schools, with their respective research specializations:

Department of Applied Mechanics [Code AMZ]

Research Areas in Solid Mechanics:

• Large Deformations, Impact Mechanics, Elasticity, Piezothermoelasticity, Composite Materials and structures, Plates and Shells, Non-linear Dynamics and Chaos, Off-Shore Structures, Smart Structures, Structural Stability, Snow Mechanics, Dynamic Plasticity, Nano Composites, Damage Mechanics, Soft Materials, Structural Health Monitoring.
• Functionally Graded Structures, Multi-Scale Modelling of Nano-Structures, Biomechanics/Cell Mechanics, Cardiovascular Biomechanics, Brain Biomechanics, Computational Surgery, Fracture Mechanics, Contact Mechanics, Machine Learning, Stochastic Mechanics, Soft Robotics, Scientific AI, Digital Twin/health, Wearable Robotics/Device.

Research Areas in Fluid Mechanics:

• Internal and External Flows, Solid-Liquid Flows, Computational Fluid Dynamics, Hydrodynamic Stability; Turbulence, Aerodynamics and Aeroacoustics; Turbulent Heat Transfer Compressible Flows, Fluid-structure Interaction, Stratified Flows, Low Dimensional Modeling Biofluid Mechanics.

Department of Biochemical Engineering and Biotechnology [Code BEZ]

• Biochemical Engineering: Bioreactor design and modeling, Animal cell culture engineering, Recombinant DNA Technology, Protein folding and design, Biosensors, Bioprocess development and scale-up, Microbial technology, Metabolic engineering, Process control and optimization in bioprocesses, Food Process Engineering, Biotransformation, Synthetic Biology, Systems Biology, AI/ML in Bioprocesses.
• Biotechnology: Environmental Biotechnology; Microbial Physiology and Genetics; Plant Tissue Culture; Immunotechnology; Protein Engineering, Nanobiotechnology; Vaccine Development, Drug Delivery, Stem Cell Biology, Tissue Engineering, Biofuels, Biomaterials, Bioremediation, Proteomics.
• Bioinformatics and Genomics: Genome editing with programmable nucleases; analysis and interpretation of next-generation sequencing data; traditional home-medicine and cancer big data analysis.
• Biophotonics: Development of fluorescence and optical imaging methods for detection of single molecules to the whole cell. Application of these methods for biosensing of pathogenic microbes and cancer cells.
• Theoretical and Computational Biophysics: Biological fluid dynamics, biophysics of membrane deformation, theoretical modeling of bacterial physiology, mechanics of cell adhesion receptors and cytoskeleton, cell migration in diseases.

Department of Chemical Engineering [Code CHZ]

• Process Development and Design, Reaction Engineering and Catalysis, Polymers, Membranes and Separation Technology, Non-Newtonian Fluid Mechanics and Complex Fluids, Rheology, Process Control and Optimization, Transport Phenomena, Thermodynamics, Statistical Mechanics, Interfacial Science, Biotechnology, Biomaterials, Nanotechnology, Computational Fluid Dynamics (CFD), Molecular Simulations, Artificial Intelligence/Machine Learning in Chemical Engineering.

Department of Chemistry [Code CYZ]

• Molecular Magnetism, Small Molecule Activation, Metal-Organic Frameworks, Inorganic Polymers, Solid State Chemistry, Fluorescence Spectroscopy (Ensemble & Single Molecule), Vibrational Spectroscopy & Imaging, NMR Methodology, Porphyrinoids, π-Conjugated Organic Materials, Molecular Solids, Modern Battery Electrolytes.
• Nanomaterials (Optical Properties, Photovoltaics, Biological), Electrochemistry, Green Hydrogen, CO2 Reduction, Energy Storage, Water Splitting, Artificial Photosynthesis, Energy & Environment, Surface Chemistry, Quantum Crystallography, Quantum & Classical Computer Simulations on Chemical & Biological Systems, Theoretical Chemistry, Computational Chemistry, Artificial Intelligence and Machine Learning for Chemists.

Department of Civil and Environmental Engineering [Code CEZ]

• Environmental Engineering: Urban air quality management; indoor air pollution; water and waste water treatment; Emerging water contaminants; urban water and waste water Management; Membrane Separation Processes; Water Chemistry.
• Geotechnical Engineering: Constitutive Modelling; Soil Structure Interaction; Geosynthetics; Retaining structures; Earth dams and embankments; Ground Improvement; Slope Stability; Soil Dynamics.
• Structural Engineering: Earthquake Engineering; Structural Health Monitoring; Damage Detection; Nonlinear analysis; Concrete Technology; Sustainable Materials; Finite Element Method; Fatigue and Fracture Mechanics.
• Transportation Engineering: Transportation Planning; Traffic Engineering; Transportation Economics; Pavement Material Characterization; Pavement Design; Pavement Management; Traffic Flow Modeling; Road Safety.

Department of Computer Science and Engineering [Code CSZ]

• Theoretical Computer Science: Algorithms (Sequential, Parallel, Distributed); Computational Geometry; Complexity theory, Online algorithms and Cryptography.
• Artificial Intelligence (AI) and Machine Learning (ML): Reinforcement learning, AI planning, Neuro-symbolic ML, Probabilistic graphical models, Embodied artificial intelligence, Ethical AI, Fairness and reliability in ML, AI for robotics.
• Natural Language Processing (NLP): Intelligent information systems, Information extraction, Question answering, Knowledge-base completion, Neural architectures for NLP.
• Databases and Data Analytics: Information retrieval, Information dissemination in social networks, Semantic web data management, Opinion mining, Indexing and querying in graph databases, Spatio-temporal data analytics.
• Architecture and Embedded Systems: Hardware-software co-design, Embedded systems design, Reconfigurable computing, Fault-tolerant computing, Architectures for machine learning, Secure architectures.
• Systems and Networking: Operating Systems, Distributed Systems, Cloud and Data Center Networking, Software Defined Networks, Network Function Virtualization, Network security.

Department of Design [Code DDZ]

• Age-friendly Built Environments; Analogical design; Artificial Intelligence in Design; Augmented, Virtual and Mixed Reality; Behavioural Design; Computer Aided Design and Manufacturing; Data-driven Design for Environmental Health; Design & Culture; Design for Environment; Design for Healthcare; Design Pedagogy; Design Theory; Digital Fabrication; Frugal Design/Innovation; Human-Computer Interaction; Inclusive Design; Interaction Design; Service Design; Systems Thinking; User Experience (UX) Design.

Department of Electrical Engineering [Code EEZ]

• Communications, Computer Engineering, Control and Automation, Integrated Circuits and System, Power Systems and Power Electronics, Signal Processing and Image Processing, VLSI.

Department of Energy Science and Engineering [Code ESZ]

• Internal Combustion Engines, Thermal Engineering, Solar Thermal, Power Systems, Power Electronics, Machine Drives, Solar Photovoltaics, Wind Energy, Hydro Power, Plasma Science and Technology, Bio-Energy, Water Resources Engineering, Functional Materials, Building Design and Energy Management, Fuel cell Systems, Energy Storage, Material Science.

Department of Humanities & Social Sciences [Code HUZ]

• Literature, Sociology, Psychology, Linguistics, Philosophy, Economics, Psychology (Cognitive Neuroscience), History.
• Note: Not offered in 2nd Semester 2025-26.

Department of Management Studies [Code SMZ]

• Economics: Managerial Economics, International Economics, Productivity and Efficiency Analysis.
• Finance & Accounting: Financial Markets and Corporate Finance, Asset Pricing, Investments, Market Microstructure, Behavioral Finance, Corporate Governance.
• Information Systems: IT Strategy, E-Commerce, Digital Transformation, Big Data Analytics, Social Media, Information Security, Business Intelligence, Machine Learning and Deep Learning, Fintech, Blockchain, AI in Business.
• Marketing: Consumer Behavior, Advertising, Marketing Strategy, Digital Marketing, Marketing Analytics, Product Development.
• Operations & Supply Chain Management: Production Planning & Control, SCM, Logistics Management, Lean Manufacturing, Quality Management, Service Operations Management.

Centre for Biomedical Engineering [Code BMZ]

• Broad Focus: Assistive Technology (Medical Robotics, Wearable Devices); Biomaterials/Implants (Tissue Engineering, Artificial Organs); Biomechanics (Computational Biomechanics); Medical Imaging/Instrumentation (Bio-signals, Sensing/Processing); Bio-nanotechnology/Drug Delivery; AI/ML in Healthcare.

School of Artificial Intelligence [Code AIZ]

• Machine Learning (deep learning, reinforcement learning, probabilistic modelling); Data Mining (graph mining, information retrieval); Computer Vision and its applications; Natural Language Processing; AI & Robotics; Responsible AI (fairness, accountability, privacy); Optimization and Control.

School of Public Policy [Code PPZ]

• Agriculture, Food and Water; Energy and Environment; Internet, Digital Information and Society; Innovation Systems and Processes; Industry and Economy; Technical Higher Education and Sustainable Habitats.
• Note: Not offered in 2nd Semester 2025-26.

Note on Research Areas: The listing above provides a comprehensive overview of the research domains for the IIT Delhi PhD Admission 2025-26. This diversity, spanning traditional engineering disciplines like Mechanical and Civil Engineering to modern interdisciplinary fields such as Artificial Intelligence and Biomedical Engineering, ensures that candidates can pursue cutting-edge research. The inclusion of complex areas like Quantum Computing, Ethical AI, and Bio-nanotechnology highlights the Institute’s commitment to tackling global challenges. Prospective students are strongly advised to check the individual Department/Centre/School websites for more granular details on specific faculty interests and available projects within these broad specializations before submitting their application for the IIT Delhi PhD Admission 2025-26.

17. REFUND OF FEES

In case, a student withdraws the admission due to any reason, refund of fees will be as under. For refund of fees and/or security deposit the student must apply on the prescribed form.

18. CONTACT TELEPHONE NUMBERS AND EMAIL-IDS

For any query regarding the date of interview, selection result and operation of waiting list, please contact the concerned Deptt./Centre/School at the Emails IDs (preferred) or Telephone Numbers (prefix area code 011 if calling from within India, and country code/area code 0091/11 if calling from outside India).