According to Chapter 43, what events leading up to and immediately following Sai Baba's passing are discussed?

Chapter 43 provides a detailed account of the events surrounding Sai Baba's Mahasamadhi. It narrates how, as his death approached, Sai listened to the Ramayana being read by a Brahmin. The chapter also describes the planning for his Samadhi and a peculiar incident involving the 'fall of the brick'. Furthermore, it recounts a past event where Baba raised his life breath for three days, leading people to believe he had died, only for him to suddenly return to his body, startling everyone. This chapter explains that by leaving his body, he became unmanifest and reached a state of omnipresence.