Dr.Rangarajan, after his schooling from D.A.V.H.S.School, Gopalapuram, Chennai, in 1984, graduated in dentistry from the Faculty of Dentistry, Annamalai University, Chidambaram in 1988 receiving the ‘Best-outgoing student – Gold Medal’ & completed his Masters Degree in the speciality of Prosthodontics from Calcutta in 1993.

He proceeded to receive advanced training in “Ceramic technology “& “Dental Implantology “from Germany & the USA in 1995.

He is the first South Indian Dentist to receive the “ Diplomate in Oral Implantology“ from the International Congress of Oral Implantologists, New York, for his work in the field of Oral Implantology, in 2003.

He is an invited speaker on Prosthodontics and Implantology at various National & International dental conventions. He has delivered more than 30 key-note lectures, & conducted over 50 hands-on dental workshops.

He features regularly in the popular TV program ‘Mangayar Choice’ in Sun TV & now ‘Mangayar Ulagam’ in Kalaignar TV, where he delivers informative lectures on oral health.

Has also been a Member of Dental Council of India.  

currently, he holds the following posts:

	Secretary cum Treasurer, Indian Prosthodontic Society,
	Branch Secretary – Indian Dental Association, Chennai.
	Vice-President - Asian Academy of Prosthodontics
	Vice-Principal, Sri Venkateshwara Dental College, Chennai.