Dr Bhattacharya performed undergraduate medical training at the University of London. His post graduate MD (res) at the University of London involved investigator-led clinical trials conducted at The National Hospital for Neurology and Neurosurgery and Great Ormond Street Hospital for Children in London. He has published novel approaches to treatment of glycogen storage disease type I, HMG Co-A Lyase deficiency, fat oxidation disorders, Hunter syndrome and Aspartylglucosaminuria. He has been in Australia since 2008 working as a full-time metabolic specialist. He is currently president of the Australasian Society of Inborn Errors of Metabolism (ASIEM).
