The text mentions Damu Anna was childless. How did his situation change according to the Satcharitra?

Yes, Chapter 25 explicitly states that Damu Anna had two wives but initially had no children. This personal difficulty is mentioned as a prelude to showcasing Sai Baba's grace. The text clarifies that by receiving Sai's blessings, Damu Anna's situation was resolved, and he was subsequently blessed with sons. This outcome is presented as a direct result of his devotion and Sai Baba's compassionate nature, fulfilling the devotee's desires and removing his suffering. His vow regarding the festival flag is mentioned in the same context, linking his devotion to the blessings he received.