Srila Prabhuapada Avirbhava Mahotsava is the Birth Anniversary of Srila Prabhupada Swamy. Srila Prabhupada Swamy is the founder of ISKCON (International Society for Krishna Consciousness), commonly known as Hare Krishna Movement.
Srila Prabhuapada Avirbhava Mahotsava is observed on Bhadrapada Krishna Navami (Navami tithi in Krishna Paksha in Bhadrapada Month). Srilaprabhupada was born Abhay Charanaravinda Bhaktivedanta Swami Prabhupada (AC Bhaktivedanta Swami) in 1 September 1896. He was a Gaudiya Vaishnava teacher.
The mission of Srila Prabhupada was to propagate Gaudiya Vaishnavism, a form of Hinduism (a term which Bhaktivedanta Swami frequently denied) that had been taught to him by his guru, Bhaktisiddhanta Sarasvati, throughout the world.
Srilaprabhupada Swamy was died on 14 November, 1977.