What is the hierarchy of spiritual practices mentioned in Chapter 49, and what is considered the highest practice?

Chapter 49 of the Sai Satcharitra outlines a clear hierarchy of spiritual practices to emphasize the supreme position of the Guru. The text states that penance is considered greater than pilgrimages, vows, sacrifices, or charity. Moving further up this hierarchy, the singing of Hari's name is deemed greater than penance. However, the chapter unequivocally declares that "the meditation on one's own Guru is the greatest of all." This establishes Guru devotion as the pinnacle of all spiritual disciplines, concluding that for devotees, Sai alone is the ultimate object of meditation and worship.