"Bhakti-sastri'' is awarded after extensive study of Bhagavad-gita, Easy Journey, and Nectar of Devotion. "Bhakti-vaibhava'' is awarded after study of Vedanta-sutra and Srimad-Bhagavatam on a preliminary basis; and "Bhaktivedanta'' the highest title, is awarded after extensive study of Caitanya-caritamrta.
Letter to Brahmananda, 23 March, 1969