What is the main subject of Chapter 43 of the Shri Sai Satcharitra?

Chapter 43 of the Shri Sai Satcharitra serves to complete the description of Sai Baba's passing, which began in the previous chapter. The author, Hemad, explains that this chapter will detail several significant events. As outlined in the text, these include how Sai listened to the Ramayana before his mahasamadhi, the planning for his tomb (Samadhi), the symbolic 'fall of the brick', and a past incident where Baba appeared to have left his body for three days before returning, startling his devotees. The chapter also describes the state of Baba after leaving his body and the grief of the villagers.