What was the story behind the photograph of Sai Baba that is mentioned in relation to Dixit's visit to Nagar?

The photograph of Sai Baba mentioned in Chapter 51 has its own interesting backstory. This specific portrait was deeply cherished by Megha, a devoted disciple who worshipped it with great reverence as if it were Lord Shankar himself. The glass of the photo's frame had broken, which necessitated it being sent from Shirdi to Nagar for repairs. Balasaheb Mirikar had brought it for this purpose. After being repaired, the portrait was kept in Mirikar's drawing room, covered by a cloth, almost as if it were waiting for Dixit's arrival. As Balasaheb's return was delayed, he entrusted the repaired photograph to Madhavrao, further intertwining the destinies of all involved in this divine episode.