Sri Sri Radha Madan Mohan & Gauranga
This procedure of devotional service is known as Avidheya or actions which one is duty bound to do, the initiator spiritual master is the Personal manifestation of Shri Shrila Madan Mohan Vigraha while the instructor spiritual master is the Personal representation of Shri Shrila Govinda Deva. Both these deities are worshipped in Vrindaban. Shrila Gopinath ji is the last attraction of spiritual realisations.
(1960 Back to Godhead vol 3 part 16 – Identity of Lord Chaitanya)