IIT Guwahati Completes PhD Admissions for December 2025 Session
Guwahati | January 1, 2026
The Indian Institute of Technology Guwahati (IIT Guwahati) has completed the selection process for its PhD admissions for the December 2025 session, with offer letters now available to selected candidates through the institute’s official admission portal. Registration for newly admitted scholars is scheduled to begin on January 3, 2026.
According to official timelines, candidates who have been offered seats must complete document verification and registration formalities to secure admission. The institute has cautioned that failure to meet eligibility requirements or submit mandatory documents within stipulated deadlines may lead to cancellation of admission.
Admission Process and Timeline

Applications for the December 2025 PhD session closed on October 28, 2025, following which departmental shortlisting and selection processes were conducted between November 24 and December 5, 2025. Selection involved evaluation of academic records, national-level qualifying scores such as GATE, NET-JRF, or CEED, and, where applicable, written tests and interviews. These assessments were conducted in offline, online, or hybrid modes depending on departmental requirements.
Registration of newly admitted students will take place on January 3, 2026, followed by orientation on January 4, with academic classes commencing from January 5, 2026.
Academic Scope and Research Areas
PhD programmes are offered across 24 departments, schools, and centres, covering a wide range of disciplines including engineering, sciences, humanities, design, management, and interdisciplinary research. Key areas of research include artificial intelligence, data science, bioengineering, nanotechnology, renewable energy, environmental sustainability, disaster management, and health technologies.
The institute continues to promote interdisciplinary research through its specialised schools and centres, aligning doctoral research with national and global challenges.
Eligibility, Reservations, and Financial Support

Eligibility criteria vary by discipline but generally require a relevant postgraduate degree with prescribed minimum marks, with relaxations applicable to reserved categories as per Government of India norms. Reservation policies apply to SC, ST, OBC-NCL, EWS, and PwD categories. Candidates admitted under OBC-NCL and EWS categories must submit valid certificates issued after April 1, 2024, in the prescribed format.
Selected full-time PhD scholars are eligible for institute assistantships, subject to fulfilment of verification requirements. Assistantships commence after successful completion of admission formalities.
Document Verification and Compliance
Admitted candidates are required to present original academic certificates, qualifying examination proof, category certificates (if applicable), medical fitness reports, and payment receipts during registration. Candidates awaiting final degree results must submit proof by January 30, 2026, failing which their admission will be cancelled.
Institutional Standing
Established in 1994, IIT Guwahati is among India’s leading technical institutions and is consistently ranked within the top tier nationally. The institute’s doctoral programmes play a central role in advancing research output and innovation, supported by modern laboratories, interdisciplinary collaboration, and a growing research ecosystem.
📞 Official Contact Details
For admission-related queries and assistance, candidates may contact Indian Institute of Technology Guwahati through the following official numbers:
- Academic Admissions Office:
📱 +91 361 258 2197
📱 +91 361 258 2198
📱 +91 361 258 2968
📱 +91 361 258 2200 - Anti-Ragging Helpline (Emergency):
📱 +91 93951 01450 - Campus Security (24×7):
📱 +91 361 258 4444 - Institute Medical Unit:
📱 +91 361 258 5555
Candidates are advised to use official contact channels during working hours and regularly check the institute’s admission portal for updates.
📌 Official Source
🔗 For complete details and official updates, visit the official website:
https://iitg.ac.in/acad/admission/fresher/

