The institute body chaired by Union Health Minister Ghulam Nabi Azad recommended his named to the PMO from among five shortlisted candidates for the final nod.
Misra, also the head of the surgery department, had played a key role in the treatment of the 23-year-old physiotherapy student who was gangraped on December 16.
The five shortlisted candidates included head of cardiothoracic surgery Dr Balram Airan, head of paediatrics Dr V K Paul, head of gastroenterology Dr S K Acharya, head of pharmacology and AIIMS spokesperson Dr Y K Gupta.