Ans: D. Surgeon doing liver transplant(Ref: Transplantation of Human Organs and Tissue Rules)In the case of brain-stem death of the donor, a ceificate has been signed by all the members of the Board of medical expes; Where a neurologist or a neurosurgeon is not available, an anesthetist or intensivist nominated by the Registered Medical Practitioner and who is not member of the transplantation team for the recipient concerned, may ceify the brain stein death as a member of the Board.Because of vested interest, surgeon doing liver transplant cannot declare a person brain dead.