The meeting of Rupa Gosvami and Vallabha with Caitanya Mahaprabhu at Allahabad is described in the Madhya-lila, Chapter Nineteen: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.