What personal struggle did Damu Anna face, and how was it resolved according to the text?

The source material from Chapter 25 reveals a significant personal struggle in Damu Anna's life. Although he was a wealthy and well-to-do person with two wives, he had no children. This hardship is mentioned as a key detail in the introduction to his story. The text provides a swift resolution, stating, 'By receiving Sai's blessings, he was blessed with sons.' This detail serves as a powerful testament to the book's central theme: Sai Baba wards off the misfortunes of his devotees and grants them their desired objects, removing their suffering when they place their faith in him.