How does Chapter 49 rank various spiritual practices, and which one does it declare to be the most supreme?

Chapter 49 of the Sai Satcharitra establishes a distinct hierarchy among spiritual practices to highlight the paramount importance of the Guru. The text outlines a progression, stating that penance is greater than pilgrimages, vows, sacrifices, or charity. Following that, the singing of Hari's name is considered even greater than penance. However, the chapter culminates by declaring that "the meditation on one's own Guru is the greatest of all." This places devotion and meditation focused on the Guru at the absolute pinnacle of all spiritual endeavors, making Sai the sole object of worship for his devotees.