Dr. Nath graduated in Medicine (MBBS) from Silchar Medical College, Assam India in 1982. He received his postgraduate degree in Medicine from Assam Medical College Dibrugarh, India in 1988. He was given sponsored training in Cardiology under the auspices of the Indian College of Physicians in 1993; the Physician in charge of the Cardiac Clinic at TELCO Hospital, 1991-2000. He received advanced training in Interventional Cardiology 2002-2005 at Jaslok Hospital Mumbai, India. He is also a consultant cardiologist at Ruby General Hospital, Kolkata, India from 2007 to present.