Prof. R. K. Sharma is an alumnus of prestigious All India Institute of Medical Sciences, New Delhi. He joined AIIMS as an MBBS student in 1977 and pursued M.D. (Doctor of Medicine) in Forensic Medicine in 1985. He was faculty member for many years and served as head of the department. He has authored five books. His book Medico-Legal Aspects of Patient Care, mainly written for medical practitioners and lawyers to discharge safe medico-legal practices, is in the third edition. He has written more than 70 scientific articles in various national and international journals.

Prof. R.K. Sharma has travelled widely to acquire medico-legal experience. In the year 2004, he was invited by Federal Bureau of Investigation (FBI), USA to visit Washington D.C. to participate in an international seminar. He has been consultant to National Human Rights Commission, New Delhi, Central Bureau of Investigation (CBI), New Delhi, Delhi police and many other investigation agencies. He lectures regularly at Delhi Medical Association, Punjab Health System Corporation and National Institute of Criminology and Forensic science, New Delhi. He has delivered lectures for judges, lawyers, police personnel, public prosecutors and doctors on medico-legal issues.