Indian Institute of Space Science and Technology (IIST) Ph.D. Programme – July 2025 Admissions

IIST offers academic programmes and conducts research in various areas that are organized under the following seven departments: Aerospace Engineering, Avionics, Chemistry, Earth and Space Sciences, Humanities, Mathematics and Physics.
Applications are invited from highly motivated applicants for admission to the Ph.D. Programme starting in July 2025, in the departments given below: –
(i) Aerospace Engineering
(ii) Avionics
(iii) Chemistry
(iv) Earth and Space Sciences
(v) Humanities and Social Sciences
(vi) Mathematics
(vii) Physics
Eligibility
- Nationality: Applicant should be an Indian citizen.
- Age Limit: Applicant should be below 35 years* as on 7th May, 2025.
*Age relaxation is applicable as per Government Rules.

*Tentatively
Selection Procedure:
* The selection process is either through (1) Direct Interview (OR) (1) Screening Test of one-hour duration (Objective type) + Interview based on the following conditions.
* Criteria for Direct Interview: Candidates with a valid UGC-CSIR-NET-JRF/LS/NBHM/JEST Rank/GATE score (2023, 2024, 2025)
* The selection process for all other eligible candidates will be through Screening Test (objective type) + Interview.
(i) The candidates who qualify the screening test will only be eligible to appear for
interview. There will be a relaxation of 5 % in qualifying marks for SC/ST/PD and OBC
/ EWS candidates.
(ii) Final selection will be based on the performance in the interview.
(iii) A UR candidate should score 60 % and above to be selected and for the SC/ST/PD
and OBC / EWS candidates, the score should be 55 % and above.