The Hare Krishna mantra, also referred to reverentially as the Maha Mantra (“Great Mantra“), is a 16 word Vaishnava mantra which is mentioned in the Kali-Santarana Upanishad, and which from the 15th century rose to importance in the Bhakti movement following the teachings of Chaitanya Mantra is composed of three Sanskrit names of the Supreme Being; “Hare,“ “Krishna,“ and “Rama.