How did Damu Shet Kasar express his gratitude after his wish for a son was granted by Maharaj?

After being blessed with a son as per Maharaj's grace, Damu Shet Kasar's faith was completely solidified. To show his immense gratitude, he undertook a specific vow. Chapter 0 explains that he pledged to bring a new ceremonial flag to the Masjid every year on Ram Navami. Furthermore, his vow included a promise to feed all the Fakirs who gathered in Shirdi on that festival day. The text highlights the sincerity of his devotion by noting that this vow was still being carried on.