What are the main stories and philosophical points discussed in Chapter 31 of the Shri Sai Satcharitra?

Chapter 31 of the Shri Sai Satcharitra begins with a brief recap of previous stories, including those of a devotee of Saptashringi and Megha. The main narrative introduced is that of a sannyasi named Vijayananda from Madras, who was on a pilgrimage to Mansarovar but stopped in Shirdi after hearing of Sai Baba's fame. The chapter also presents a significant philosophical teaching on the importance of one's state of mind at the time of death. It emphasizes that continuous remembrance of God's name is crucial for attaining liberation, as one's final thoughts determine the soul's subsequent state. This practice is highlighted as a way to become free from the cycle of birth.