Can you describe the chain of communication that occurred after B.V. Dev felt that Sai Baba had not attended his ceremony?

Following the Udyapan ceremony, a disheartened B.V. Dev wrote a letter to Mr. Jog, lamenting how Baba had seemingly deceived him and failed to keep his word. As detailed in Chapter 40, Dev expressed his deep disappointment. Mr. Jog then communicated the entire account of Dev's feelings to Sai Baba. In response, Baba revealed the truth: he had attended in the guise of the Sanyasi. Baba noted that he knew the contents of Dev's letter even before it was opened. Overjoyed, Jog then wrote a detailed letter back to Dev, explaining everything. Upon reading it, Dev was filled with a surge of love and shame, regretting that he had blamed Sai in vain.