Can you outline the hierarchy of spiritual practices as presented in Chapter 49 of the Sai Satcharitra?

Chapter 49 of the Sai Satcharitra presents a distinct hierarchy of spiritual disciplines to highlight the preeminence of the Guru. The text explains that penance is considered greater than practices like pilgrimages, vows, sacrifices, or charity. Ascending further, the singing of Hari's name is regarded as greater than penance. However, the chapter culminates by declaring that the meditation on one's own Guru is the greatest of all these practices. For the devotee, Sai is the ultimate object of worship and their most valuable treasure.