Dr Aggarwala is a medical graduate of Newcastle University in Newcastle, Australia. He completed his cardiology training in 1990 and has worked as a consultant cardiologist in Sydney for 14 years. He has special expertise in interventional cardiology and is interested in preventative cardiology. Dr Aggarwala has admitting rights at The Sydney Adventist Hospital, The Hills Private Hospital, The Mater Hospital, Strathfield Private Hospital and Hornsby Kuringai Hospital. He speaks fluent English, Hindi and Punjabi.