Dr Krishnan stands his ground despite a letter surfacing stating that the Ministry supported him to undertake Nephrology Training Attachment in NZ Dr Krishnan stands his ground despite a letter surfacing stating that the Ministry supported him to undertake Nephrology Training Attachment in NZ Local Nephrologist Dr Amrish Krishnan and Minister for Health Dr. Waqainabete. [Image: Dr Amrish Krishnan/ Twitter] Local Nephrologist Dr Amrish Krishnan has stood his ground despite an official letter surfacing saying that the Ministry of Health supported him when he went to undertake Nephrology Training Attachment in New Zealand to fully complete his Masters in Internal Medicine Program.