What is the significance of Udi as described in the Satcharitra?

The Shri Sai Satcharitra highlights the immense significance and glory of Udi. Chapter 34 continues the narration from the previous chapter, describing Udi's powerful qualities and characteristics. It is presented as a remedy capable of curing even terrible and incurable diseases. For instance, the chapter mentions that a severe ailment like a bone-cyst (Hadyavran), which could not be healed by any other remedy, was completely cured by smearing it with Udi from Sai's hand. This illustrates the divine power vested in the Udi, offering a solution when all other efforts, including medical treatments, have been exhausted.