What details does Chapter 29 provide about the group of devotees from Madras who visited Shirdi?

Chapter 29 of the Sai Satcharitra recounts the story of a group of devotees from the Madras region (now Chennai). These individuals were travelers on a pilgrimage to Kashi who made a stop in Shirdi after hearing widespread praise of Sai Baba's generous and righteous nature. The text notes that this group had spent the year engaged in devotional singing. Specifically, Chapter 29 mentions a smaller party of four, identified as belonging to the Ramdasi sect, who stayed near Sai and performed loving devotional singing with great enthusiasm after taking his darshan.