What are the main topics and events introduced in Chapter 43 of the Shri Sai Satcharitra?

Chapter 43 serves as a continuation of the narrative concerning Sai Baba's passing. According to the text, it begins by reaffirming the author's devotion and the purifying power of remembering saints. The chapter then provides a preview of the topics it will cover in detail. These include the story of how Sai listened to the Ramayana before his death, the planning for his Samadhi and the incident of the 'fall of the brick'. It also promises to recount a past event where Baba seemed to have passed away for three days before startling everyone by returning to his body, as explained in Chapter 43.