A candidate seeking admission to the Ph.D. program shall be required to have passed the qualifying examination securing at least 55% marks or equivalent CGPA/DGPA. A relaxation of 5 % of marks may be allowed for those belonging to SC/ST/OBC (non-creamy layer) / PWD – (Divyang) categories. The qualifying degrees are:-

1. Master of Engineering/Master of Technology (or equivalent) for Ph.D. in Engineering/Science.  
2. Master in Science (M.Sc. or equivalent) for Ph.D. in Science 

A candidate who has passed the qualifying examination with the requisite percentage of marks as prescribed above. Also who fulfill the following requirement may be considered for admission to the Ph.D. program:-

1. Qualified in a national level test such as CSIR/UGC NET, Graduate Aptitude Test for Engineering (GATE), Rajiv Gandhi National fellowship, NBHM, etc. subject wise and category wise GATE/NET cut off will be decided by DIAT or
2. A candidate who is a recipient of National Doctoral Fellowship or other fellowships from government / semi-government organization such as Council of Scientific and Industrial Research (CSIR), University Grants Commission (UGC), INAE, All India Council for Technical Education (AICTE), Department of Science and Technology (DST), Dept. of Biotechnology (DBT), Defence Research and Development Organization (DRDO), Department of Atomic Energy (DAE) and similar organizations.

Age limit: Not above 30 years. Relaxations as per Govt. of India rules apply to SC / ST / OBC / PH applicants.

Note:- 

• Women candidates are encouraged to apply for admission.
• The Institute shall implement the reservation policy in Ph.D. admission under the relevant act of Parliament being in-force from the time.
• A PWD (Divyang)/ SC/ST/OBC (non-creamy layer) candidate shall not get the double benefit of being an SC/ST/OBC (non-creamy layer) as also a PWD candidate.

Course Fee and Other Charges:

• MoD Sponsored (DRDO) Candidates:  Selected candidates for the Ph.D programmes under DRDO Sponsored Category are required to pay Semester Fee @ Rs.50,000/- per semester, payable immediately on joining.