Bachelor, University Madras, 1955. Doctor of Philosophy in Philosophy, University Vienna, 1963. Doctor of Letters, University Utrecht, 1973.
STD, University Louvain, 1978.
Teacher, St. Joseph's High School, Bangalore, India, l955-56; tutor Loyola College,, U. Madras, l958-60; member of faculty, U. Utrecht (The Netherlands), l963-; professor Indian philosophy, U. Utrecht (The Netherlands), l980-; department chairman Oriental studies, U. Utrecht (The Netherlands), l982-84. Visiting professor Brock U., St. Catharines, Ontario, Canada, 1973-1974, U. Vienna, Austria, 1990-1991.
Member American Oriental Society, International Association Buddhist Studies, International Association History Religions, Indian Philosophical Association, also others.