Doctor of Philosophy (Ph.D.) Mechanical Engineering is a doctorate-level research program at RajaRajeswari College of Engineering The duration of the programme typically ranges between 3-5 years. Subject to various eligibility criteria being met, Ph. D candidates will work with their guides to come up with a topic and objective for research and subsequent presentation of doctoral dissertation. A Ph. D in Mechanical Engineering offers various career options including professorial chair in engineering institutions, and senior research positions in the R&D teams of the leading automobile and other mechanical engineering companies.