IIT Delhi Ph.D. Admission 2025–26 | Last Date, Fees, Eligibility & Research Areas
IIT Delhi Ph.D. Admission 2025–26: Dates, Fees, Eligibility & Research Areas
The Indian Institute of Technology (IIT) Delhi, an Institution of Eminence, has opened applications for its Ph.D. programmes for Semester II (2025–26). This post provides complete details about eligibility, fees, important dates, research areas, and the official link to apply online.
Overview
IIT Delhi offers a vibrant research ecosystem with over 31 departments, centers, and schools that encourage interdisciplinary collaboration. The Ph.D. programs aim to promote original research in science, engineering, technology, management, humanities, and design. IIT Delhi welcomes applications from Indian and international students for full-time, part-time, and sponsored Ph.D. programs.
Important Dates for Ph.D. Admission 2025–26
| Event | Date |
|---|---|
| Online application begins | October 11, 2025 (12:00 Noon) |
| Last date for application submission | October 30, 2025 (4:00 PM) |
| Test/Interview dates | December 9–16, 2025 |
| Orientation & Registration | January 1, 2026 |
| Commencement of classes | January 2, 2026 |
Eligibility Criteria
- With M.Tech/M.E/M.Des.: Minimum 60% aggregate or 6.0 CGPA (Relaxation: 55%/5.5 CGPA for SC/ST/PwD).
- With M.Sc./M.A./MBA/MBBS: Minimum 60% aggregate or equivalent CGPA + valid GATE/CSIR NET/JRF qualification.
- With B.Tech/B.E: Minimum 70% aggregate or 7.0 CGPA + valid GATE/JRF.
- Candidates from CFTIs (IITs, NITs, IIITs) with a CGPA ≥8.0 are exempted from GATE.
Fees Structure (Per Semester)
| Category | Tuition Fee (₹) | Other Charges (₹) | Total (₹) |
|---|---|---|---|
| Full-time Ph.D. (General/OBC/EWS) | 7,500 | 22,400 | 29,900 |
| Full-time Ph.D. (SC/ST/PwD) | 0 | 22,400 | 22,400 |
| Part-time/Sponsored (General/OBC/EWS) | 17,500 | 20,150 | 39,900 |
| Part-time/Sponsored (SC/ST/PwD) | 0 | 20,150 | 20,150 |
Additionally, hostel and mess costs range from ₹36,000–₹51,000 per semester depending on accommodation type.
Application Process & Official Link
Candidates must apply online only through the IIT Delhi PG Admissions Portal. Separate applications are required for each department or school.
Application Fee: ₹200 (General/OBC/EWS) and ₹50 (SC/ST/PwD)
List of Departments and Research Areas
Department of Applied Mechanics
Research: Solid Mechanics, Fluid Mechanics, and Design Engineering including biomechanics, computational surgery, turbulence, and digital twin health simulations.
Department of Chemical Engineering
Research: Catalysis, Process Modeling, Polymer Science, Electrochemical Systems, Renewable Energy, Environmental Engineering, and Computational Material Design.
Department of Civil and Environmental Engineering
Research: Water Resources, Environmental Management, Climate Impact, Urban Infrastructure, and Sustainable Construction.
Department of Computer Science & Engineering
Research: AI & ML, NLP, Algorithms, Systems Security, Big Data, Cloud Computing, Blockchain, and Bioinformatics.
Department of Electrical Engineering
Research: Power Systems, Renewable Energy, Nanoelectronics, MEMS, Communication Systems, Control Systems, and Quantum Devices.
Department of Mechanical Engineering
Research: Design & Manufacturing, Robotics, Nanomechanics, Thermal Systems, Sustainable Cooling, Additive Manufacturing, and Fluid Dynamics.
Department of Mathematics
Research: Pure and Applied Mathematics, Optimization, Probability, Cryptography, Stochastic Processes, Financial Mathematics, and Dynamical Systems.
Department of Physics
Research: Condensed Matter Physics, Quantum Optics, High-Energy Physics, Photonics, and Nanomaterials.
Department of Design
Research: Sustainable Design, User Experience, AI in Design, Digital Heritage, Healthcare Design, and Universal Design.
School of Artificial Intelligence (ScAI)
Research: Reinforcement Learning, Fairness and Ethics in AI, Natural Language Processing, Computer Vision, and Generative AI.
School of Interdisciplinary Research (SIRe)
Focuses on cross-disciplinary work integrating multiple domains including Engineering, Humanities, and Management.
For the full department list and individual faculty research interests, visit the official IIT Delhi website.
Frequently Asked Questions (FAQs)
1. Can final-year students apply?
Yes. Final semester students can apply, provided they complete all requirements before registration.
2. How many times a year are applications invited?
Twice a year — in March for Semester I and in October for Semester II admissions.
3. Is financial assistance available?
Yes. Full-time Ph.D. students receive a monthly assistantship of ₹37,000 (first 2 years) and ₹42,000 (next 3 years).
4. Are international students eligible?
Yes. International students can apply directly and may avail support under the International Ph.D. Fellowship Programme.
5. What is the program duration?
A minimum of 2 years for M.Tech. holders and 3 years for B.Tech. holders, with a maximum of 7 years to submit the thesis.
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