What was the story behind the specific Sai Baba photograph that was present in Mirikar's drawing room?

The photograph of Sai Baba in Mirikar’s drawing room had a special history, as detailed in Chapter 51. It was a portrait that Megha, one of Baba's most devoted disciples, used to worship with immense love, regarding it as the three-eyed Lord Shankar. The photograph had been sent from Shirdi to Ahmednagar with Balasaheb Mirikar for the specific purpose of getting its broken glass repaired. After the repair, it was kept covered in the drawing room, seemingly waiting for Dixit's visit. Just after Dixit and Madhavrao finalized their travel plans, Balasaheb Mirikar unveiled this sacred and repaired portrait, adding another layer of significance to their meeting.