(based on an article from BTG 35-04-01, quotes by Srila Prabhupada and a seminar given by BVP Swami)
There are two tracks (vidhis) required to walk safely on the spiritual path, as Srila Prabhupada often mentioned: In the same way as the physical train needs two parallel tracks, also the train of bhakti needs two tracks: one is the bhagavatvidhi or the path of sravanam and kirtana, also known as rag-marg and the pancaratrika-vidhi or the path of arcana, also known as vidhi-marg.
When Srila Prab