Based on Chapter 49, how does meditating on one's Guru compare to other spiritual activities?

Chapter 49 places the practice of meditating on one's Guru at the pinnacle of all spiritual activities. The text establishes a hierarchy of practices, stating that penance is considered greater than pilgrimages, vows, sacrifices, or charity. It then mentions that singing the name of Hari is even greater than penance. However, the chapter unequivocally concludes that "the meditation on one's own Guru is the greatest of all." For devotees of Sai, the text affirms that Sai alone is their object of meditation and worship, their most protected and secret treasure.