M.D. or Doctor of Medicine is a higher postgraduate Medicine course dealing with a program of advanced study in Medicine. The course is based on gaining an in-depth knowledge of one's chosen field of specialisation. The duration of the Doctor of Medicine course is 3 years of study including the successful completion of an exam that covers both theoretical and practical elements. The examination for M.D. is held at the end of 3 academic years which includes 6 academic terms. M.D. course is more practical oriented and research based as compared to M.B.B.S. Medical Council of India is the authority which approves and recognises various Institutes to provide Doctor of Medicine Degree Course. Since the course involves a deeper study of relevant subjects, one needs to be prepared for mind-boggling study. It is amongst the popular courses pursued by medical graduates, primarily because of the high salary package.