The Degree of Doctor of Philosophy (Ph.D.) is awarded to a candidate, who, as per the regulations, has submitted a thesis on the basis of original research work done by him / her in any particular discipline or more than one discipline (Inter disciplinary), that makes a contribution to the advancement of knowledge in Medical Sciences or to innovate methods of application of existing knowledge in Medical Sciences so as to contribute to the betterment of lives of the people and has had the thesis approved by suitably constituted examiners as required. The following departments are recognised by the Tamil Nadu Dr.M.G.R. Medical University, Chennai for conduct of Research leading to award of Ph.D. (Doctor of Philosophy in Homoeopathy)