Professor and Head of Sanskrit ( Retd) Presidency College Chennai, Director of Vedic Sciences and Astrology, Astroved.com, Chairman-Swami Dayananda’s Digital Library and Research Centre, Chennai, Chairperson- Sanskrit Text Book Committee, Tamil Nadu Govt., President – Sri Yajnavalkya Sabha, Chennai.
Prof.DR.Thiagarajan started his illustrious career as a teacher and went on to become the Reader & Head of the Dept of Sanskrit, Presidency College, Chennai, teaching Sanskrit and allied cultural subjects there for more than 30 years. Prof.DR.Thiagarajan has contributed hugely to popularize Sanskrit which include bringing out 160 C.Ds and 5 D.V.Ds in the language as well as teaching online of Sanskrit. He has authored many books in Tamil, Sanskrit and English as well as textbooks for primary & secondary school and college courses and has been involved in authoring translations and forewords for various works. His stint in translation from Sanskrit to Tamil and English is highly commendable. Prof.DR.Thiagarajan has written numerous dramas, articles and textbooks in Sanskrit and Tamil and he is the Sanskrit book reviewer for The Hindu, a national newspaper in India. He is the founder of the Fellowship of Sanskrit Culture witrh its headquarters at Chennai.