Chapter 49 mentions several spiritual practices. How does it rank them in importance, and which practice is considered the highest?

In Chapter 49, a clear hierarchy of spiritual practices is established to emphasize the supreme importance of the Guru. The text states that penance is considered greater than pilgrimages, vows, sacrifices, or charity. It then elevates the singing of Hari's name as being even greater than penance. However, the chapter unequivocally declares that the "meditation on one's own Guru is the greatest of all." For followers of Sai, this means that Sai alone is their object of meditation and worship, their most cherished and protected secret treasure, superseding all other spiritual activities.