PHD in NMR in AIMS

My Son wants to do PHD in Nuclear Magnetic Resonance Imaging from India Institute of Medical Science (aims) so will you please tell me what is the minimum eligibility for taking admission into this course? Also tell me from where I can download the admission form of the PHD in Nuclear Magnetic Resonance Imaging of India Institute of Medical Science (AIMS)?

I want to do PhD in NMR in All India Institute of Medical Sciences AIIMS so can you provide me the details of the program?