What story is introduced in Chapter 41 of the Sai Satcharitra, and who is the narrator?

Chapter 41 introduces a "fully interesting" story about how a physical portrait of Sai Baba arrived unexpectedly at the author's house on a Holi festival day. This event is presented as a miraculous fulfillment of a dream where Sai promised to come for a meal. The chapter clarifies that this story was mentioned before, but now the details of how the portrait arrived at the exact right moment will be explained. As detailed in the text from Chapter 41, the account of how the portrait was acquired and delivered is narrated by a man named Alli Mohammed, who describes it as a clear and humorous "Leela" or divine play.