Dr Mittal is dedicated to the care of pancreatic cancer patients. 

Along with his clinical work, Dr Mittal is actively involved in surgical research and training. He previously served as the Director of Surgical Skills Training, University of Sydney. In addition, he was on the board of CanSur (a charity dedicated to cancer research), and is currently a board member of the Australian Pancreatic Club. 

Dr Mittal has published extensively and is a regular speaker at international meetings and editorial boards related to pancreatic research. He is also a reviewer of the British Journal of Surgery, BMC Gastroenterology, the International Journal of Genomics, the Journal of the Pancreas, the Journal of Surgical Research, and the World Journal of Surgery. 

Dr Mittal’s accomplishments in research include the Sir Edward Hughes Memorial Clinical Research Prize in Surgery (2008),the Best Paper Prize awarded by the Australian and New Zealand Hepatic, Pancreatic and Biliary Association (2008), the Young Investigator Award given by the Surgical Research Society of Australasia (awarded two years in a row, 2007 and 2008), and the Sir Louis Barnett Prize from the Royal Australasian College of Surgeons (2008).